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In psql, use PSQL_PAGER in preference to PAGER, if it's set.

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This allows the user's environment to set up a psql-specific choice
of pager, in much the same way that we provide PSQL_EDITOR to allow
a psql-specific override of the more widely known EDITOR variable.

Pavel Stehule, reviewed by Thomas Munro

Discussion: https://postgr.es/m/CAFj8pRD3RRk9S1eRbnGm_T6brc3Ss5mohraNzTSJquzx+pmtKA@mail.gmail.com
This commit is contained in:
Tom Lane
2017-09-05 12:02:06 -04:00
parent ebd346caf4
commit 5e8304fdce
4 changed files with 39 additions and 27 deletions
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4
src/fe_utils/print.c
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@ -2870,7 +2870,9 @@ PageOutput(int lines, const printTableOpt *topt)
const char *pagerprog;
FILE *pagerpipe;
pagerprog = getenv("PAGER");
pagerprog = getenv("PSQL_PAGER");
if (!pagerprog)
pagerprog = getenv("PAGER");
if (!pagerprog)
pagerprog = DEFAULT_PAGER;
else