diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml index fdcc62a4493..7a43a6936b8 100644 --- a/doc/src/sgml/ref/psql-ref.sgml +++ b/doc/src/sgml/ref/psql-ref.sgml @@ -3450,8 +3450,9 @@ $endif If the query results do not fit on the screen, they are piped through this command. Typical values are more or less. The default - is platform-dependent. The use of the pager can be disabled by - using the \pset command. + is platform-dependent. Use of the pager can be disabled by setting + PAGER to empty, or by using pager-related options of + the \pset command. diff --git a/src/bin/psql/print.c b/src/bin/psql/print.c index 6dfd1cbec9a..85ac76b8fe3 100644 --- a/src/bin/psql/print.c +++ b/src/bin/psql/print.c @@ -2205,6 +2205,12 @@ PageOutput(int lines, unsigned short int pager) pagerprog = getenv("PAGER"); if (!pagerprog) pagerprog = DEFAULT_PAGER; + else + { + /* if PAGER is empty or all-white-space, don't use pager */ + if (strspn(pagerprog, " \t\r\n") == strlen(pagerprog)) + return stdout; + } #ifndef WIN32 pqsignal(SIGPIPE, SIG_IGN); #endif diff --git a/src/interfaces/libpq/fe-print.c b/src/interfaces/libpq/fe-print.c index 2fb4de36634..e0b713e943a 100644 --- a/src/interfaces/libpq/fe-print.c +++ b/src/interfaces/libpq/fe-print.c @@ -166,8 +166,9 @@ PQprint(FILE *fout, const PGresult *res, const PQprintOpt *po) screen_size.ws_col = 80; #endif pagerenv = getenv("PAGER"); + /* if PAGER is unset, empty or all-white-space, don't use pager */ if (pagerenv != NULL && - pagerenv[0] != '\0' && + strspn(pagerenv, " \t\r\n") != strlen(pagerenv) && !po->html3 && ((po->expanded && nTups * (nFields + 1) >= screen_size.ws_row) ||