* know how to do it, please find someone who can help you.
*/
+/* Some helper macros to make the code less verbose */
+#define HELP0(str) appendPQExpBufferStr(&buf, _(str))
+#define HELPN(str,...) appendPQExpBuffer(&buf, _(str), __VA_ARGS__)
+#define ON(var) ((var) ? _("on") : _("off"))
+
/*
* usage
*
* print out command line arguments
*/
-#define ON(var) (var ? _("on") : _("off"))
-
void
usage(unsigned short int pager)
{
const char *env;
const char *user;
char *errstr;
+ PQExpBufferData buf;
+ int nlcount;
FILE *output;
/* Find default user, in case we need it. */
}
/*
- * Keep this line count in sync with the number of lines printed below!
- * Use "psql --help=options | wc" to count correctly.
+ * To avoid counting the output lines manually, build the output in "buf"
+ * and then count them.
*/
- output = PageOutput(63, pager ? &(pset.popt.topt) : NULL);
+ initPQExpBuffer(&buf);
- fprintf(output, _("psql is the PostgreSQL interactive terminal.\n\n"));
- fprintf(output, _("Usage:\n"));
- fprintf(output, _(" psql [OPTION]... [DBNAME [USERNAME]]\n\n"));
+ HELP0("psql is the PostgreSQL interactive terminal.\n\n");
+ HELP0("Usage:\n");
+ HELP0(" psql [OPTION]... [DBNAME [USERNAME]]\n\n");
- fprintf(output, _("General options:\n"));
+ HELP0("General options:\n");
/* Display default database */
env = getenv("PGDATABASE");
if (!env)
env = user;
- fprintf(output, _(" -c, --command=COMMAND run only single command (SQL or internal) and exit\n"));
- fprintf(output, _(" -d, --dbname=DBNAME database name to connect to (default: \"%s\")\n"), env);
- fprintf(output, _(" -f, --file=FILENAME execute commands from file, then exit\n"));
- fprintf(output, _(" -l, --list list available databases, then exit\n"));
- fprintf(output, _(" -v, --set=, --variable=NAME=VALUE\n"
- " set psql variable NAME to VALUE\n"
- " (e.g., -v ON_ERROR_STOP=1)\n"));
- fprintf(output, _(" -V, --version output version information, then exit\n"));
- fprintf(output, _(" -X, --no-psqlrc do not read startup file (~/.psqlrc)\n"));
- fprintf(output, _(" -1 (\"one\"), --single-transaction\n"
- " execute as a single transaction (if non-interactive)\n"));
- fprintf(output, _(" -?, --help[=options] show this help, then exit\n"));
- fprintf(output, _(" --help=commands list backslash commands, then exit\n"));
- fprintf(output, _(" --help=variables list special variables, then exit\n"));
-
- fprintf(output, _("\nInput and output options:\n"));
- fprintf(output, _(" -a, --echo-all echo all input from script\n"));
- fprintf(output, _(" -b, --echo-errors echo failed commands\n"));
- fprintf(output, _(" -e, --echo-queries echo commands sent to server\n"));
- fprintf(output, _(" -E, --echo-hidden display queries that internal commands generate\n"));
- fprintf(output, _(" -L, --log-file=FILENAME send session log to file\n"));
- fprintf(output, _(" -n, --no-readline disable enhanced command line editing (readline)\n"));
- fprintf(output, _(" -o, --output=FILENAME send query results to file (or |pipe)\n"));
- fprintf(output, _(" -q, --quiet run quietly (no messages, only query output)\n"));
- fprintf(output, _(" -s, --single-step single-step mode (confirm each query)\n"));
- fprintf(output, _(" -S, --single-line single-line mode (end of line terminates SQL command)\n"));
-
- fprintf(output, _("\nOutput format options:\n"));
- fprintf(output, _(" -A, --no-align unaligned table output mode\n"));
- fprintf(output, _(" --csv CSV (Comma-Separated Values) table output mode\n"));
- fprintf(output, _(" -F, --field-separator=STRING\n"
- " field separator for unaligned output (default: \"%s\")\n"),
- DEFAULT_FIELD_SEP);
- fprintf(output, _(" -H, --html HTML table output mode\n"));
- fprintf(output, _(" -P, --pset=VAR[=ARG] set printing option VAR to ARG (see \\pset command)\n"));
- fprintf(output, _(" -R, --record-separator=STRING\n"
- " record separator for unaligned output (default: newline)\n"));
- fprintf(output, _(" -t, --tuples-only print rows only\n"));
- fprintf(output, _(" -T, --table-attr=TEXT set HTML table tag attributes (e.g., width, border)\n"));
- fprintf(output, _(" -x, --expanded turn on expanded table output\n"));
- fprintf(output, _(" -z, --field-separator-zero\n"
- " set field separator for unaligned output to zero byte\n"));
- fprintf(output, _(" -0, --record-separator-zero\n"
- " set record separator for unaligned output to zero byte\n"));
-
- fprintf(output, _("\nConnection options:\n"));
+ HELP0(" -c, --command=COMMAND run only single command (SQL or internal) and exit\n");
+ HELPN(" -d, --dbname=DBNAME database name to connect to (default: \"%s\")\n",
+ env);
+ HELP0(" -f, --file=FILENAME execute commands from file, then exit\n");
+ HELP0(" -l, --list list available databases, then exit\n");
+ HELP0(" -v, --set=, --variable=NAME=VALUE\n"
+ " set psql variable NAME to VALUE\n"
+ " (e.g., -v ON_ERROR_STOP=1)\n");
+ HELP0(" -V, --version output version information, then exit\n");
+ HELP0(" -X, --no-psqlrc do not read startup file (~/.psqlrc)\n");
+ HELP0(" -1 (\"one\"), --single-transaction\n"
+ " execute as a single transaction (if non-interactive)\n");
+ HELP0(" -?, --help[=options] show this help, then exit\n");
+ HELP0(" --help=commands list backslash commands, then exit\n");
+ HELP0(" --help=variables list special variables, then exit\n");
+
+ HELP0("\nInput and output options:\n");
+ HELP0(" -a, --echo-all echo all input from script\n");
+ HELP0(" -b, --echo-errors echo failed commands\n");
+ HELP0(" -e, --echo-queries echo commands sent to server\n");
+ HELP0(" -E, --echo-hidden display queries that internal commands generate\n");
+ HELP0(" -L, --log-file=FILENAME send session log to file\n");
+ HELP0(" -n, --no-readline disable enhanced command line editing (readline)\n");
+ HELP0(" -o, --output=FILENAME send query results to file (or |pipe)\n");
+ HELP0(" -q, --quiet run quietly (no messages, only query output)\n");
+ HELP0(" -s, --single-step single-step mode (confirm each query)\n");
+ HELP0(" -S, --single-line single-line mode (end of line terminates SQL command)\n");
+
+ HELP0("\nOutput format options:\n");
+ HELP0(" -A, --no-align unaligned table output mode\n");
+ HELP0(" --csv CSV (Comma-Separated Values) table output mode\n");
+ HELPN(" -F, --field-separator=STRING\n"
+ " field separator for unaligned output (default: \"%s\")\n",
+ DEFAULT_FIELD_SEP);
+ HELP0(" -H, --html HTML table output mode\n");
+ HELP0(" -P, --pset=VAR[=ARG] set printing option VAR to ARG (see \\pset command)\n");
+ HELP0(" -R, --record-separator=STRING\n"
+ " record separator for unaligned output (default: newline)\n");
+ HELP0(" -t, --tuples-only print rows only\n");
+ HELP0(" -T, --table-attr=TEXT set HTML table tag attributes (e.g., width, border)\n");
+ HELP0(" -x, --expanded turn on expanded table output\n");
+ HELP0(" -z, --field-separator-zero\n"
+ " set field separator for unaligned output to zero byte\n");
+ HELP0(" -0, --record-separator-zero\n"
+ " set record separator for unaligned output to zero byte\n");
+
+ HELP0("\nConnection options:\n");
/* Display default host */
env = getenv("PGHOST");
- fprintf(output, _(" -h, --host=HOSTNAME database server host or socket directory (default: \"%s\")\n"),
- env ? env : _("local socket"));
+ HELPN(" -h, --host=HOSTNAME database server host or socket directory (default: \"%s\")\n",
+ env ? env : _("local socket"));
/* Display default port */
env = getenv("PGPORT");
- fprintf(output, _(" -p, --port=PORT database server port (default: \"%s\")\n"),
- env ? env : DEF_PGPORT_STR);
+ HELPN(" -p, --port=PORT database server port (default: \"%s\")\n",
+ env ? env : DEF_PGPORT_STR);
/* Display default user */
- fprintf(output, _(" -U, --username=USERNAME database user name (default: \"%s\")\n"), user);
- fprintf(output, _(" -w, --no-password never prompt for password\n"));
- fprintf(output, _(" -W, --password force password prompt (should happen automatically)\n"));
+ HELPN(" -U, --username=USERNAME database user name (default: \"%s\")\n",
+ user);
+ HELP0(" -w, --no-password never prompt for password\n");
+ HELP0(" -W, --password force password prompt (should happen automatically)\n");
+
+ HELP0("\nFor more information, type \"\\?\" (for internal commands) or \"\\help\" (for SQL\n"
+ "commands) from within psql, or consult the psql section in the PostgreSQL\n"
+ "documentation.\n\n");
+ HELPN("Report bugs to <%s>.\n", PACKAGE_BUGREPORT);
+ HELPN("%s home page: <%s>\n", PACKAGE_NAME, PACKAGE_URL);
+
+ /* Now we can count the lines. */
+ nlcount = 0;
+ for (const char *ptr = buf.data; *ptr; ptr++)
+ {
+ if (*ptr == '\n')
+ nlcount++;
+ }
- fprintf(output, _("\nFor more information, type \"\\?\" (for internal commands) or \"\\help\" (for SQL\n"
- "commands) from within psql, or consult the psql section in the PostgreSQL\n"
- "documentation.\n\n"));
- fprintf(output, _("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
- fprintf(output, _("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
+ /* And dump the output, with appropriate pagination. */
+ output = PageOutput(nlcount, pager ? &(pset.popt.topt) : NULL);
+
+ fputs(buf.data, output);
ClosePager(output);
+
+ termPQExpBuffer(&buf);
}
void
slashUsage(unsigned short int pager)
{
+ PQExpBufferData buf;
+ int nlcount;
FILE *output;
char *currdb;
currdb = PQdb(pset.db);
/*
- * Keep this line count in sync with the number of lines printed below!
- * Use "psql --help=commands | wc" to count correctly. It's okay to count
- * the USE_READLINE line even in builds without that.
+ * To avoid counting the output lines manually, build the output in "buf"
+ * and then count them.
*/
- output = PageOutput(139, pager ? &(pset.popt.topt) : NULL);
-
- fprintf(output, _("General\n"));
- fprintf(output, _(" \\copyright show PostgreSQL usage and distribution terms\n"));
- fprintf(output, _(" \\crosstabview [COLUMNS] execute query and display result in crosstab\n"));
- fprintf(output, _(" \\errverbose show most recent error message at maximum verbosity\n"));
- fprintf(output, _(" \\g [(OPTIONS)] [FILE] execute query (and send result to file or |pipe);\n"
- " \\g with no arguments is equivalent to a semicolon\n"));
- fprintf(output, _(" \\gdesc describe result of query, without executing it\n"));
- fprintf(output, _(" \\gexec execute query, then execute each value in its result\n"));
- fprintf(output, _(" \\gset [PREFIX] execute query and store result in psql variables\n"));
- fprintf(output, _(" \\gx [(OPTIONS)] [FILE] as \\g, but forces expanded output mode\n"));
- fprintf(output, _(" \\q quit psql\n"));
- fprintf(output, _(" \\watch [SEC] execute query every SEC seconds\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Help\n"));
-
- fprintf(output, _(" \\? [commands] show help on backslash commands\n"));
- fprintf(output, _(" \\? options show help on psql command-line options\n"));
- fprintf(output, _(" \\? variables show help on special variables\n"));
- fprintf(output, _(" \\h [NAME] help on syntax of SQL commands, * for all commands\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Query Buffer\n"));
- fprintf(output, _(" \\e [FILE] [LINE] edit the query buffer (or file) with external editor\n"));
- fprintf(output, _(" \\ef [FUNCNAME [LINE]] edit function definition with external editor\n"));
- fprintf(output, _(" \\ev [VIEWNAME [LINE]] edit view definition with external editor\n"));
- fprintf(output, _(" \\p show the contents of the query buffer\n"));
- fprintf(output, _(" \\r reset (clear) the query buffer\n"));
+ initPQExpBuffer(&buf);
+
+ HELP0("General\n");
+ HELP0(" \\copyright show PostgreSQL usage and distribution terms\n");
+ HELP0(" \\crosstabview [COLUMNS] execute query and display result in crosstab\n");
+ HELP0(" \\errverbose show most recent error message at maximum verbosity\n");
+ HELP0(" \\g [(OPTIONS)] [FILE] execute query (and send result to file or |pipe);\n"
+ " \\g with no arguments is equivalent to a semicolon\n");
+ HELP0(" \\gdesc describe result of query, without executing it\n");
+ HELP0(" \\gexec execute query, then execute each value in its result\n");
+ HELP0(" \\gset [PREFIX] execute query and store result in psql variables\n");
+ HELP0(" \\gx [(OPTIONS)] [FILE] as \\g, but forces expanded output mode\n");
+ HELP0(" \\q quit psql\n");
+ HELP0(" \\watch [SEC] execute query every SEC seconds\n");
+ HELP0("\n");
+
+ HELP0("Help\n");
+
+ HELP0(" \\? [commands] show help on backslash commands\n");
+ HELP0(" \\? options show help on psql command-line options\n");
+ HELP0(" \\? variables show help on special variables\n");
+ HELP0(" \\h [NAME] help on syntax of SQL commands, * for all commands\n");
+ HELP0("\n");
+
+ HELP0("Query Buffer\n");
+ HELP0(" \\e [FILE] [LINE] edit the query buffer (or file) with external editor\n");
+ HELP0(" \\ef [FUNCNAME [LINE]] edit function definition with external editor\n");
+ HELP0(" \\ev [VIEWNAME [LINE]] edit view definition with external editor\n");
+ HELP0(" \\p show the contents of the query buffer\n");
+ HELP0(" \\r reset (clear) the query buffer\n");
#ifdef USE_READLINE
- fprintf(output, _(" \\s [FILE] display history or save it to file\n"));
+ HELP0(" \\s [FILE] display history or save it to file\n");
#endif
- fprintf(output, _(" \\w FILE write query buffer to file\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Input/Output\n"));
- fprintf(output, _(" \\copy ... perform SQL COPY with data stream to the client host\n"));
- fprintf(output, _(" \\echo [-n] [STRING] write string to standard output (-n for no newline)\n"));
- fprintf(output, _(" \\i FILE execute commands from file\n"));
- fprintf(output, _(" \\ir FILE as \\i, but relative to location of current script\n"));
- fprintf(output, _(" \\o [FILE] send all query results to file or |pipe\n"));
- fprintf(output, _(" \\qecho [-n] [STRING] write string to \\o output stream (-n for no newline)\n"));
- fprintf(output, _(" \\warn [-n] [STRING] write string to standard error (-n for no newline)\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Conditional\n"));
- fprintf(output, _(" \\if EXPR begin conditional block\n"));
- fprintf(output, _(" \\elif EXPR alternative within current conditional block\n"));
- fprintf(output, _(" \\else final alternative within current conditional block\n"));
- fprintf(output, _(" \\endif end conditional block\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Informational\n"));
- fprintf(output, _(" (options: S = show system objects, + = additional detail)\n"));
- fprintf(output, _(" \\d[S+] list tables, views, and sequences\n"));
- fprintf(output, _(" \\d[S+] NAME describe table, view, sequence, or index\n"));
- fprintf(output, _(" \\da[S] [PATTERN] list aggregates\n"));
- fprintf(output, _(" \\dA[+] [PATTERN] list access methods\n"));
- fprintf(output, _(" \\dAc[+] [AMPTRN [TYPEPTRN]] list operator classes\n"));
- fprintf(output, _(" \\dAf[+] [AMPTRN [TYPEPTRN]] list operator families\n"));
- fprintf(output, _(" \\dAo[+] [AMPTRN [OPFPTRN]] list operators of operator families\n"));
- fprintf(output, _(" \\dAp[+] [AMPTRN [OPFPTRN]] list support functions of operator families\n"));
- fprintf(output, _(" \\db[+] [PATTERN] list tablespaces\n"));
- fprintf(output, _(" \\dc[S+] [PATTERN] list conversions\n"));
- fprintf(output, _(" \\dconfig[+] [PATTERN] list configuration parameters\n"));
- fprintf(output, _(" \\dC[+] [PATTERN] list casts\n"));
- fprintf(output, _(" \\dd[S] [PATTERN] show object descriptions not displayed elsewhere\n"));
- fprintf(output, _(" \\dD[S+] [PATTERN] list domains\n"));
- fprintf(output, _(" \\ddp [PATTERN] list default privileges\n"));
- fprintf(output, _(" \\dE[S+] [PATTERN] list foreign tables\n"));
- fprintf(output, _(" \\des[+] [PATTERN] list foreign servers\n"));
- fprintf(output, _(" \\det[+] [PATTERN] list foreign tables\n"));
- fprintf(output, _(" \\deu[+] [PATTERN] list user mappings\n"));
- fprintf(output, _(" \\dew[+] [PATTERN] list foreign-data wrappers\n"));
- fprintf(output, _(" \\df[anptw][S+] [FUNCPTRN [TYPEPTRN ...]]\n"
- " list [only agg/normal/procedure/trigger/window] functions\n"));
- fprintf(output, _(" \\dF[+] [PATTERN] list text search configurations\n"));
- fprintf(output, _(" \\dFd[+] [PATTERN] list text search dictionaries\n"));
- fprintf(output, _(" \\dFp[+] [PATTERN] list text search parsers\n"));
- fprintf(output, _(" \\dFt[+] [PATTERN] list text search templates\n"));
- fprintf(output, _(" \\dg[S+] [PATTERN] list roles\n"));
- fprintf(output, _(" \\di[S+] [PATTERN] list indexes\n"));
- fprintf(output, _(" \\dl[+] list large objects, same as \\lo_list\n"));
- fprintf(output, _(" \\dL[S+] [PATTERN] list procedural languages\n"));
- fprintf(output, _(" \\dm[S+] [PATTERN] list materialized views\n"));
- fprintf(output, _(" \\dn[S+] [PATTERN] list schemas\n"));
- fprintf(output, _(" \\do[S+] [OPPTRN [TYPEPTRN [TYPEPTRN]]]\n"
- " list operators\n"));
- fprintf(output, _(" \\dO[S+] [PATTERN] list collations\n"));
- fprintf(output, _(" \\dp [PATTERN] list table, view, and sequence access privileges\n"));
- fprintf(output, _(" \\dP[itn+] [PATTERN] list [only index/table] partitioned relations [n=nested]\n"));
- fprintf(output, _(" \\drds [ROLEPTRN [DBPTRN]] list per-database role settings\n"));
- fprintf(output, _(" \\dRp[+] [PATTERN] list replication publications\n"));
- fprintf(output, _(" \\dRs[+] [PATTERN] list replication subscriptions\n"));
- fprintf(output, _(" \\ds[S+] [PATTERN] list sequences\n"));
- fprintf(output, _(" \\dt[S+] [PATTERN] list tables\n"));
- fprintf(output, _(" \\dT[S+] [PATTERN] list data types\n"));
- fprintf(output, _(" \\du[S+] [PATTERN] list roles\n"));
- fprintf(output, _(" \\dv[S+] [PATTERN] list views\n"));
- fprintf(output, _(" \\dx[+] [PATTERN] list extensions\n"));
- fprintf(output, _(" \\dX [PATTERN] list extended statistics\n"));
- fprintf(output, _(" \\dy[+] [PATTERN] list event triggers\n"));
- fprintf(output, _(" \\l[+] [PATTERN] list databases\n"));
- fprintf(output, _(" \\sf[+] FUNCNAME show a function's definition\n"));
- fprintf(output, _(" \\sv[+] VIEWNAME show a view's definition\n"));
- fprintf(output, _(" \\z [PATTERN] same as \\dp\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Large Objects\n"));
- fprintf(output, _(" \\lo_export LOBOID FILE write large object to file\n"));
- fprintf(output, _(" \\lo_import FILE [COMMENT]\n"
- " read large object from file\n"));
- fprintf(output, _(" \\lo_list[+] list large objects\n"));
- fprintf(output, _(" \\lo_unlink LOBOID delete a large object\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Formatting\n"));
- fprintf(output, _(" \\a toggle between unaligned and aligned output mode\n"));
- fprintf(output, _(" \\C [STRING] set table title, or unset if none\n"));
- fprintf(output, _(" \\f [STRING] show or set field separator for unaligned query output\n"));
- fprintf(output, _(" \\H toggle HTML output mode (currently %s)\n"),
- ON(pset.popt.topt.format == PRINT_HTML));
- fprintf(output, _(" \\pset [NAME [VALUE]] set table output option\n"
- " (border|columns|csv_fieldsep|expanded|fieldsep|\n"
- " fieldsep_zero|footer|format|linestyle|null|\n"
- " numericlocale|pager|pager_min_lines|recordsep|\n"
- " recordsep_zero|tableattr|title|tuples_only|\n"
- " unicode_border_linestyle|unicode_column_linestyle|\n"
- " unicode_header_linestyle)\n"));
- fprintf(output, _(" \\t [on|off] show only rows (currently %s)\n"),
- ON(pset.popt.topt.tuples_only));
- fprintf(output, _(" \\T [STRING] set HTML <table> tag attributes, or unset if none\n"));
- fprintf(output, _(" \\x [on|off|auto] toggle expanded output (currently %s)\n"),
- pset.popt.topt.expanded == 2 ? "auto" : ON(pset.popt.topt.expanded));
- fprintf(output, "\n");
-
- fprintf(output, _("Connection\n"));
+ HELP0(" \\w FILE write query buffer to file\n");
+ HELP0("\n");
+
+ HELP0("Input/Output\n");
+ HELP0(" \\copy ... perform SQL COPY with data stream to the client host\n");
+ HELP0(" \\echo [-n] [STRING] write string to standard output (-n for no newline)\n");
+ HELP0(" \\i FILE execute commands from file\n");
+ HELP0(" \\ir FILE as \\i, but relative to location of current script\n");
+ HELP0(" \\o [FILE] send all query results to file or |pipe\n");
+ HELP0(" \\qecho [-n] [STRING] write string to \\o output stream (-n for no newline)\n");
+ HELP0(" \\warn [-n] [STRING] write string to standard error (-n for no newline)\n");
+ HELP0("\n");
+
+ HELP0("Conditional\n");
+ HELP0(" \\if EXPR begin conditional block\n");
+ HELP0(" \\elif EXPR alternative within current conditional block\n");
+ HELP0(" \\else final alternative within current conditional block\n");
+ HELP0(" \\endif end conditional block\n");
+ HELP0("\n");
+
+ HELP0("Informational\n");
+ HELP0(" (options: S = show system objects, + = additional detail)\n");
+ HELP0(" \\d[S+] list tables, views, and sequences\n");
+ HELP0(" \\d[S+] NAME describe table, view, sequence, or index\n");
+ HELP0(" \\da[S] [PATTERN] list aggregates\n");
+ HELP0(" \\dA[+] [PATTERN] list access methods\n");
+ HELP0(" \\dAc[+] [AMPTRN [TYPEPTRN]] list operator classes\n");
+ HELP0(" \\dAf[+] [AMPTRN [TYPEPTRN]] list operator families\n");
+ HELP0(" \\dAo[+] [AMPTRN [OPFPTRN]] list operators of operator families\n");
+ HELP0(" \\dAp[+] [AMPTRN [OPFPTRN]] list support functions of operator families\n");
+ HELP0(" \\db[+] [PATTERN] list tablespaces\n");
+ HELP0(" \\dc[S+] [PATTERN] list conversions\n");
+ HELP0(" \\dconfig[+] [PATTERN] list configuration parameters\n");
+ HELP0(" \\dC[+] [PATTERN] list casts\n");
+ HELP0(" \\dd[S] [PATTERN] show object descriptions not displayed elsewhere\n");
+ HELP0(" \\dD[S+] [PATTERN] list domains\n");
+ HELP0(" \\ddp [PATTERN] list default privileges\n");
+ HELP0(" \\dE[S+] [PATTERN] list foreign tables\n");
+ HELP0(" \\des[+] [PATTERN] list foreign servers\n");
+ HELP0(" \\det[+] [PATTERN] list foreign tables\n");
+ HELP0(" \\deu[+] [PATTERN] list user mappings\n");
+ HELP0(" \\dew[+] [PATTERN] list foreign-data wrappers\n");
+ HELP0(" \\df[anptw][S+] [FUNCPTRN [TYPEPTRN ...]]\n"
+ " list [only agg/normal/procedure/trigger/window] functions\n");
+ HELP0(" \\dF[+] [PATTERN] list text search configurations\n");
+ HELP0(" \\dFd[+] [PATTERN] list text search dictionaries\n");
+ HELP0(" \\dFp[+] [PATTERN] list text search parsers\n");
+ HELP0(" \\dFt[+] [PATTERN] list text search templates\n");
+ HELP0(" \\dg[S+] [PATTERN] list roles\n");
+ HELP0(" \\di[S+] [PATTERN] list indexes\n");
+ HELP0(" \\dl[+] list large objects, same as \\lo_list\n");
+ HELP0(" \\dL[S+] [PATTERN] list procedural languages\n");
+ HELP0(" \\dm[S+] [PATTERN] list materialized views\n");
+ HELP0(" \\dn[S+] [PATTERN] list schemas\n");
+ HELP0(" \\do[S+] [OPPTRN [TYPEPTRN [TYPEPTRN]]]\n"
+ " list operators\n");
+ HELP0(" \\dO[S+] [PATTERN] list collations\n");
+ HELP0(" \\dp [PATTERN] list table, view, and sequence access privileges\n");
+ HELP0(" \\dP[itn+] [PATTERN] list [only index/table] partitioned relations [n=nested]\n");
+ HELP0(" \\drds [ROLEPTRN [DBPTRN]] list per-database role settings\n");
+ HELP0(" \\dRp[+] [PATTERN] list replication publications\n");
+ HELP0(" \\dRs[+] [PATTERN] list replication subscriptions\n");
+ HELP0(" \\ds[S+] [PATTERN] list sequences\n");
+ HELP0(" \\dt[S+] [PATTERN] list tables\n");
+ HELP0(" \\dT[S+] [PATTERN] list data types\n");
+ HELP0(" \\du[S+] [PATTERN] list roles\n");
+ HELP0(" \\dv[S+] [PATTERN] list views\n");
+ HELP0(" \\dx[+] [PATTERN] list extensions\n");
+ HELP0(" \\dX [PATTERN] list extended statistics\n");
+ HELP0(" \\dy[+] [PATTERN] list event triggers\n");
+ HELP0(" \\l[+] [PATTERN] list databases\n");
+ HELP0(" \\sf[+] FUNCNAME show a function's definition\n");
+ HELP0(" \\sv[+] VIEWNAME show a view's definition\n");
+ HELP0(" \\z [PATTERN] same as \\dp\n");
+ HELP0("\n");
+
+ HELP0("Large Objects\n");
+ HELP0(" \\lo_export LOBOID FILE write large object to file\n");
+ HELP0(" \\lo_import FILE [COMMENT]\n"
+ " read large object from file\n");
+ HELP0(" \\lo_list[+] list large objects\n");
+ HELP0(" \\lo_unlink LOBOID delete a large object\n");
+ HELP0("\n");
+
+ HELP0("Formatting\n");
+ HELP0(" \\a toggle between unaligned and aligned output mode\n");
+ HELP0(" \\C [STRING] set table title, or unset if none\n");
+ HELP0(" \\f [STRING] show or set field separator for unaligned query output\n");
+ HELPN(" \\H toggle HTML output mode (currently %s)\n",
+ ON(pset.popt.topt.format == PRINT_HTML));
+ HELP0(" \\pset [NAME [VALUE]] set table output option\n"
+ " (border|columns|csv_fieldsep|expanded|fieldsep|\n"
+ " fieldsep_zero|footer|format|linestyle|null|\n"
+ " numericlocale|pager|pager_min_lines|recordsep|\n"
+ " recordsep_zero|tableattr|title|tuples_only|\n"
+ " unicode_border_linestyle|unicode_column_linestyle|\n"
+ " unicode_header_linestyle)\n");
+ HELPN(" \\t [on|off] show only rows (currently %s)\n",
+ ON(pset.popt.topt.tuples_only));
+ HELP0(" \\T [STRING] set HTML <table> tag attributes, or unset if none\n");
+ HELPN(" \\x [on|off|auto] toggle expanded output (currently %s)\n",
+ pset.popt.topt.expanded == 2 ? _("auto") : ON(pset.popt.topt.expanded));
+ HELP0("\n");
+
+ HELP0("Connection\n");
if (currdb)
- fprintf(output, _(" \\c[onnect] {[DBNAME|- USER|- HOST|- PORT|-] | conninfo}\n"
- " connect to new database (currently \"%s\")\n"),
- currdb);
+ HELPN(" \\c[onnect] {[DBNAME|- USER|- HOST|- PORT|-] | conninfo}\n"
+ " connect to new database (currently \"%s\")\n",
+ currdb);
else
- fprintf(output, _(" \\c[onnect] {[DBNAME|- USER|- HOST|- PORT|-] | conninfo}\n"
- " connect to new database (currently no connection)\n"));
- fprintf(output, _(" \\conninfo display information about current connection\n"));
- fprintf(output, _(" \\encoding [ENCODING] show or set client encoding\n"));
- fprintf(output, _(" \\password [USERNAME] securely change the password for a user\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Operating System\n"));
- fprintf(output, _(" \\cd [DIR] change the current working directory\n"));
- fprintf(output, _(" \\getenv PSQLVAR ENVVAR fetch environment variable\n"));
- fprintf(output, _(" \\setenv NAME [VALUE] set or unset environment variable\n"));
- fprintf(output, _(" \\timing [on|off] toggle timing of commands (currently %s)\n"),
- ON(pset.timing));
- fprintf(output, _(" \\! [COMMAND] execute command in shell or start interactive shell\n"));
- fprintf(output, "\n");
-
- fprintf(output, _("Variables\n"));
- fprintf(output, _(" \\prompt [TEXT] NAME prompt user to set internal variable\n"));
- fprintf(output, _(" \\set [NAME [VALUE]] set internal variable, or list all if no parameters\n"));
- fprintf(output, _(" \\unset NAME unset (delete) internal variable\n"));
+ HELP0(" \\c[onnect] {[DBNAME|- USER|- HOST|- PORT|-] | conninfo}\n"
+ " connect to new database (currently no connection)\n");
+ HELP0(" \\conninfo display information about current connection\n");
+ HELP0(" \\encoding [ENCODING] show or set client encoding\n");
+ HELP0(" \\password [USERNAME] securely change the password for a user\n");
+ HELP0("\n");
+
+ HELP0("Operating System\n");
+ HELP0(" \\cd [DIR] change the current working directory\n");
+ HELP0(" \\getenv PSQLVAR ENVVAR fetch environment variable\n");
+ HELP0(" \\setenv NAME [VALUE] set or unset environment variable\n");
+ HELPN(" \\timing [on|off] toggle timing of commands (currently %s)\n",
+ ON(pset.timing));
+ HELP0(" \\! [COMMAND] execute command in shell or start interactive shell\n");
+ HELP0("\n");
+
+ HELP0("Variables\n");
+ HELP0(" \\prompt [TEXT] NAME prompt user to set internal variable\n");
+ HELP0(" \\set [NAME [VALUE]] set internal variable, or list all if no parameters\n");
+ HELP0(" \\unset NAME unset (delete) internal variable\n");
+
+ /* Now we can count the lines. */
+ nlcount = 0;
+ for (const char *ptr = buf.data; *ptr; ptr++)
+ {
+ if (*ptr == '\n')
+ nlcount++;
+ }
+
+ /* And dump the output, with appropriate pagination. */
+ output = PageOutput(nlcount, pager ? &(pset.popt.topt) : NULL);
+
+ fputs(buf.data, output);
ClosePager(output);
+
+ termPQExpBuffer(&buf);
}
void
helpVariables(unsigned short int pager)
{
+ PQExpBufferData buf;
+ int nlcount;
FILE *output;
/*
- * Keep this line count in sync with the number of lines printed below!
- * Use "psql --help=variables | wc" to count correctly; but notice that
- * Windows builds currently print one fewer line than non-Windows builds.
- * Using the larger number is fine.
+ * To avoid counting the output lines manually, build the output in "buf"
+ * and then count them.
*/
- output = PageOutput(163, pager ? &(pset.popt.topt) : NULL);
-
- fprintf(output, _("List of specially treated variables\n\n"));
-
- fprintf(output, _("psql variables:\n"));
- fprintf(output, _("Usage:\n"));
- fprintf(output, _(" psql --set=NAME=VALUE\n or \\set NAME VALUE inside psql\n\n"));
-
- fprintf(output, _(" AUTOCOMMIT\n"
- " if set, successful SQL commands are automatically committed\n"));
- fprintf(output, _(" COMP_KEYWORD_CASE\n"
- " determines the case used to complete SQL key words\n"
- " [lower, upper, preserve-lower, preserve-upper]\n"));
- fprintf(output, _(" DBNAME\n"
- " the currently connected database name\n"));
- fprintf(output, _(" ECHO\n"
- " controls what input is written to standard output\n"
- " [all, errors, none, queries]\n"));
- fprintf(output, _(" ECHO_HIDDEN\n"
- " if set, display internal queries executed by backslash commands;\n"
- " if set to \"noexec\", just show them without execution\n"));
- fprintf(output, _(" ENCODING\n"
- " current client character set encoding\n"));
- fprintf(output, _(" ERROR\n"
- " true if last query failed, else false\n"));
- fprintf(output, _(" FETCH_COUNT\n"
- " the number of result rows to fetch and display at a time (0 = unlimited)\n"));
- fprintf(output, _(" HIDE_TABLEAM\n"
- " if set, table access methods are not displayed\n"));
- fprintf(output, _(" HIDE_TOAST_COMPRESSION\n"
- " if set, compression methods are not displayed\n"));
- fprintf(output, _(" HISTCONTROL\n"
- " controls command history [ignorespace, ignoredups, ignoreboth]\n"));
- fprintf(output, _(" HISTFILE\n"
- " file name used to store the command history\n"));
- fprintf(output, _(" HISTSIZE\n"
- " maximum number of commands to store in the command history\n"));
- fprintf(output, _(" HOST\n"
- " the currently connected database server host\n"));
- fprintf(output, _(" IGNOREEOF\n"
- " number of EOFs needed to terminate an interactive session\n"));
- fprintf(output, _(" LASTOID\n"
- " value of the last affected OID\n"));
- fprintf(output, _(" LAST_ERROR_MESSAGE\n"
- " LAST_ERROR_SQLSTATE\n"
- " message and SQLSTATE of last error, or empty string and \"00000\" if none\n"));
- fprintf(output, _(" ON_ERROR_ROLLBACK\n"
- " if set, an error doesn't stop a transaction (uses implicit savepoints)\n"));
- fprintf(output, _(" ON_ERROR_STOP\n"
- " stop batch execution after error\n"));
- fprintf(output, _(" PORT\n"
- " server port of the current connection\n"));
- fprintf(output, _(" PROMPT1\n"
- " specifies the standard psql prompt\n"));
- fprintf(output, _(" PROMPT2\n"
- " specifies the prompt used when a statement continues from a previous line\n"));
- fprintf(output, _(" PROMPT3\n"
- " specifies the prompt used during COPY ... FROM STDIN\n"));
- fprintf(output, _(" QUIET\n"
- " run quietly (same as -q option)\n"));
- fprintf(output, _(" ROW_COUNT\n"
- " number of rows returned or affected by last query, or 0\n"));
- fprintf(output, _(" SERVER_VERSION_NAME\n"
- " SERVER_VERSION_NUM\n"
- " server's version (in short string or numeric format)\n"));
- fprintf(output, _(" SHOW_ALL_RESULTS\n"
- " show all results of a combined query (\\;) instead of only the last\n"));
- fprintf(output, _(" SHOW_CONTEXT\n"
- " controls display of message context fields [never, errors, always]\n"));
- fprintf(output, _(" SINGLELINE\n"
- " if set, end of line terminates SQL commands (same as -S option)\n"));
- fprintf(output, _(" SINGLESTEP\n"
- " single-step mode (same as -s option)\n"));
- fprintf(output, _(" SQLSTATE\n"
- " SQLSTATE of last query, or \"00000\" if no error\n"));
- fprintf(output, _(" USER\n"
- " the currently connected database user\n"));
- fprintf(output, _(" VERBOSITY\n"
- " controls verbosity of error reports [default, verbose, terse, sqlstate]\n"));
- fprintf(output, _(" VERSION\n"
- " VERSION_NAME\n"
- " VERSION_NUM\n"
- " psql's version (in verbose string, short string, or numeric format)\n"));
-
- fprintf(output, _("\nDisplay settings:\n"));
- fprintf(output, _("Usage:\n"));
- fprintf(output, _(" psql --pset=NAME[=VALUE]\n or \\pset NAME [VALUE] inside psql\n\n"));
-
- fprintf(output, _(" border\n"
- " border style (number)\n"));
- fprintf(output, _(" columns\n"
- " target width for the wrapped format\n"));
- fprintf(output, _(" expanded (or x)\n"
- " expanded output [on, off, auto]\n"));
- fprintf(output, _(" fieldsep\n"
- " field separator for unaligned output (default \"%s\")\n"),
- DEFAULT_FIELD_SEP);
- fprintf(output, _(" fieldsep_zero\n"
- " set field separator for unaligned output to a zero byte\n"));
- fprintf(output, _(" footer\n"
- " enable or disable display of the table footer [on, off]\n"));
- fprintf(output, _(" format\n"
- " set output format [unaligned, aligned, wrapped, html, asciidoc, ...]\n"));
- fprintf(output, _(" linestyle\n"
- " set the border line drawing style [ascii, old-ascii, unicode]\n"));
- fprintf(output, _(" null\n"
- " set the string to be printed in place of a null value\n"));
- fprintf(output, _(" numericlocale\n"
- " enable display of a locale-specific character to separate groups of digits\n"));
- fprintf(output, _(" pager\n"
- " control when an external pager is used [yes, no, always]\n"));
- fprintf(output, _(" recordsep\n"
- " record (line) separator for unaligned output\n"));
- fprintf(output, _(" recordsep_zero\n"
- " set record separator for unaligned output to a zero byte\n"));
- fprintf(output, _(" tableattr (or T)\n"
- " specify attributes for table tag in html format, or proportional\n"
- " column widths for left-aligned data types in latex-longtable format\n"));
- fprintf(output, _(" title\n"
- " set the table title for subsequently printed tables\n"));
- fprintf(output, _(" tuples_only\n"
- " if set, only actual table data is shown\n"));
- fprintf(output, _(" unicode_border_linestyle\n"
- " unicode_column_linestyle\n"
- " unicode_header_linestyle\n"
- " set the style of Unicode line drawing [single, double]\n"));
-
- fprintf(output, _("\nEnvironment variables:\n"));
- fprintf(output, _("Usage:\n"));
+ initPQExpBuffer(&buf);
+
+ HELP0("List of specially treated variables\n\n");
+
+ HELP0("psql variables:\n");
+ HELP0("Usage:\n");
+ HELP0(" psql --set=NAME=VALUE\n or \\set NAME VALUE inside psql\n\n");
+
+ HELP0(" AUTOCOMMIT\n"
+ " if set, successful SQL commands are automatically committed\n");
+ HELP0(" COMP_KEYWORD_CASE\n"
+ " determines the case used to complete SQL key words\n"
+ " [lower, upper, preserve-lower, preserve-upper]\n");
+ HELP0(" DBNAME\n"
+ " the currently connected database name\n");
+ HELP0(" ECHO\n"
+ " controls what input is written to standard output\n"
+ " [all, errors, none, queries]\n");
+ HELP0(" ECHO_HIDDEN\n"
+ " if set, display internal queries executed by backslash commands;\n"
+ " if set to \"noexec\", just show them without execution\n");
+ HELP0(" ENCODING\n"
+ " current client character set encoding\n");
+ HELP0(" ERROR\n"
+ " true if last query failed, else false\n");
+ HELP0(" FETCH_COUNT\n"
+ " the number of result rows to fetch and display at a time (0 = unlimited)\n");
+ HELP0(" HIDE_TABLEAM\n"
+ " if set, table access methods are not displayed\n");
+ HELP0(" HIDE_TOAST_COMPRESSION\n"
+ " if set, compression methods are not displayed\n");
+ HELP0(" HISTCONTROL\n"
+ " controls command history [ignorespace, ignoredups, ignoreboth]\n");
+ HELP0(" HISTFILE\n"
+ " file name used to store the command history\n");
+ HELP0(" HISTSIZE\n"
+ " maximum number of commands to store in the command history\n");
+ HELP0(" HOST\n"
+ " the currently connected database server host\n");
+ HELP0(" IGNOREEOF\n"
+ " number of EOFs needed to terminate an interactive session\n");
+ HELP0(" LASTOID\n"
+ " value of the last affected OID\n");
+ HELP0(" LAST_ERROR_MESSAGE\n"
+ " LAST_ERROR_SQLSTATE\n"
+ " message and SQLSTATE of last error, or empty string and \"00000\" if none\n");
+ HELP0(" ON_ERROR_ROLLBACK\n"
+ " if set, an error doesn't stop a transaction (uses implicit savepoints)\n");
+ HELP0(" ON_ERROR_STOP\n"
+ " stop batch execution after error\n");
+ HELP0(" PORT\n"
+ " server port of the current connection\n");
+ HELP0(" PROMPT1\n"
+ " specifies the standard psql prompt\n");
+ HELP0(" PROMPT2\n"
+ " specifies the prompt used when a statement continues from a previous line\n");
+ HELP0(" PROMPT3\n"
+ " specifies the prompt used during COPY ... FROM STDIN\n");
+ HELP0(" QUIET\n"
+ " run quietly (same as -q option)\n");
+ HELP0(" ROW_COUNT\n"
+ " number of rows returned or affected by last query, or 0\n");
+ HELP0(" SERVER_VERSION_NAME\n"
+ " SERVER_VERSION_NUM\n"
+ " server's version (in short string or numeric format)\n");
+ HELP0(" SHOW_ALL_RESULTS\n"
+ " show all results of a combined query (\\;) instead of only the last\n");
+ HELP0(" SHOW_CONTEXT\n"
+ " controls display of message context fields [never, errors, always]\n");
+ HELP0(" SINGLELINE\n"
+ " if set, end of line terminates SQL commands (same as -S option)\n");
+ HELP0(" SINGLESTEP\n"
+ " single-step mode (same as -s option)\n");
+ HELP0(" SQLSTATE\n"
+ " SQLSTATE of last query, or \"00000\" if no error\n");
+ HELP0(" USER\n"
+ " the currently connected database user\n");
+ HELP0(" VERBOSITY\n"
+ " controls verbosity of error reports [default, verbose, terse, sqlstate]\n");
+ HELP0(" VERSION\n"
+ " VERSION_NAME\n"
+ " VERSION_NUM\n"
+ " psql's version (in verbose string, short string, or numeric format)\n");
+
+ HELP0("\nDisplay settings:\n");
+ HELP0("Usage:\n");
+ HELP0(" psql --pset=NAME[=VALUE]\n or \\pset NAME [VALUE] inside psql\n\n");
+
+ HELP0(" border\n"
+ " border style (number)\n");
+ HELP0(" columns\n"
+ " target width for the wrapped format\n");
+ HELP0(" expanded (or x)\n"
+ " expanded output [on, off, auto]\n");
+ HELPN(" fieldsep\n"
+ " field separator for unaligned output (default \"%s\")\n",
+ DEFAULT_FIELD_SEP);
+ HELP0(" fieldsep_zero\n"
+ " set field separator for unaligned output to a zero byte\n");
+ HELP0(" footer\n"
+ " enable or disable display of the table footer [on, off]\n");
+ HELP0(" format\n"
+ " set output format [unaligned, aligned, wrapped, html, asciidoc, ...]\n");
+ HELP0(" linestyle\n"
+ " set the border line drawing style [ascii, old-ascii, unicode]\n");
+ HELP0(" null\n"
+ " set the string to be printed in place of a null value\n");
+ HELP0(" numericlocale\n"
+ " enable display of a locale-specific character to separate groups of digits\n");
+ HELP0(" pager\n"
+ " control when an external pager is used [yes, no, always]\n");
+ HELP0(" recordsep\n"
+ " record (line) separator for unaligned output\n");
+ HELP0(" recordsep_zero\n"
+ " set record separator for unaligned output to a zero byte\n");
+ HELP0(" tableattr (or T)\n"
+ " specify attributes for table tag in html format, or proportional\n"
+ " column widths for left-aligned data types in latex-longtable format\n");
+ HELP0(" title\n"
+ " set the table title for subsequently printed tables\n");
+ HELP0(" tuples_only\n"
+ " if set, only actual table data is shown\n");
+ HELP0(" unicode_border_linestyle\n"
+ " unicode_column_linestyle\n"
+ " unicode_header_linestyle\n"
+ " set the style of Unicode line drawing [single, double]\n");
+
+ HELP0("\nEnvironment variables:\n");
+ HELP0("Usage:\n");
#ifndef WIN32
- fprintf(output, _(" NAME=VALUE [NAME=VALUE] psql ...\n or \\setenv NAME [VALUE] inside psql\n\n"));
+ HELP0(" NAME=VALUE [NAME=VALUE] psql ...\n or \\setenv NAME [VALUE] inside psql\n\n");
#else
- fprintf(output, _(" set NAME=VALUE\n psql ...\n or \\setenv NAME [VALUE] inside psql\n\n"));
+ HELP0(" set NAME=VALUE\n psql ...\n or \\setenv NAME [VALUE] inside psql\n\n");
#endif
- fprintf(output, _(" COLUMNS\n"
- " number of columns for wrapped format\n"));
- fprintf(output, _(" PGAPPNAME\n"
- " same as the application_name connection parameter\n"));
- fprintf(output, _(" PGDATABASE\n"
- " same as the dbname connection parameter\n"));
- fprintf(output, _(" PGHOST\n"
- " same as the host connection parameter\n"));
- fprintf(output, _(" PGPASSFILE\n"
- " password file name\n"));
- fprintf(output, _(" PGPASSWORD\n"
- " connection password (not recommended)\n"));
- fprintf(output, _(" PGPORT\n"
- " same as the port connection parameter\n"));
- fprintf(output, _(" PGUSER\n"
- " same as the user connection parameter\n"));
- fprintf(output, _(" PSQL_EDITOR, EDITOR, VISUAL\n"
- " editor used by the \\e, \\ef, and \\ev commands\n"));
- fprintf(output, _(" PSQL_EDITOR_LINENUMBER_ARG\n"
- " how to specify a line number when invoking the editor\n"));
- fprintf(output, _(" PSQL_HISTORY\n"
- " alternative location for the command history file\n"));
- fprintf(output, _(" PSQL_PAGER, PAGER\n"
- " name of external pager program\n"));
+ HELP0(" COLUMNS\n"
+ " number of columns for wrapped format\n");
+ HELP0(" PGAPPNAME\n"
+ " same as the application_name connection parameter\n");
+ HELP0(" PGDATABASE\n"
+ " same as the dbname connection parameter\n");
+ HELP0(" PGHOST\n"
+ " same as the host connection parameter\n");
+ HELP0(" PGPASSFILE\n"
+ " password file name\n");
+ HELP0(" PGPASSWORD\n"
+ " connection password (not recommended)\n");
+ HELP0(" PGPORT\n"
+ " same as the port connection parameter\n");
+ HELP0(" PGUSER\n"
+ " same as the user connection parameter\n");
+ HELP0(" PSQL_EDITOR, EDITOR, VISUAL\n"
+ " editor used by the \\e, \\ef, and \\ev commands\n");
+ HELP0(" PSQL_EDITOR_LINENUMBER_ARG\n"
+ " how to specify a line number when invoking the editor\n");
+ HELP0(" PSQL_HISTORY\n"
+ " alternative location for the command history file\n");
+ HELP0(" PSQL_PAGER, PAGER\n"
+ " name of external pager program\n");
#ifndef WIN32
- fprintf(output, _(" PSQL_WATCH_PAGER\n"
- " name of external pager program used for \\watch\n"));
+ HELP0(" PSQL_WATCH_PAGER\n"
+ " name of external pager program used for \\watch\n");
#endif
- fprintf(output, _(" PSQLRC\n"
- " alternative location for the user's .psqlrc file\n"));
- fprintf(output, _(" SHELL\n"
- " shell used by the \\! command\n"));
- fprintf(output, _(" TMPDIR\n"
- " directory for temporary files\n"));
+ HELP0(" PSQLRC\n"
+ " alternative location for the user's .psqlrc file\n");
+ HELP0(" SHELL\n"
+ " shell used by the \\! command\n");
+ HELP0(" TMPDIR\n"
+ " directory for temporary files\n");
+
+ /* Now we can count the lines. */
+ nlcount = 0;
+ for (const char *ptr = buf.data; *ptr; ptr++)
+ {
+ if (*ptr == '\n')
+ nlcount++;
+ }
+
+ /* And dump the output, with appropriate pagination. */
+ output = PageOutput(nlcount, pager ? &(pset.popt.topt) : NULL);
+
+ fputs(buf.data, output);
ClosePager(output);
+
+ termPQExpBuffer(&buf);
}