| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | egrep is obsolescent |
| Date: | 2026-05-13 15:24:30 |
| Message-ID: | 473272.1778685870@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
While running pgperltidy just now on my recently-updated
Linux workstation, I got
$ src/tools/pgindent/pgperltidy .
egrep: warning: egrep is obsolescent; using grep -E
OK, that's a bit in-your-face, but it's not inaccurate.
AFAICT, "egrep" has never been in POSIX, while "grep -E"
has been there at least since POSIX 2008.
So I propose the attached patch, which is just s/egrep/grep -E/g.
I did not touch the two usages in port/aix/mkldexport.sh, though.
I'm not sure what the standardization situation is in AIX, and
this warning doesn't seem like something they'd do anyway.
There is also a reference in configure, which is not a problem
because it tries "grep -E" first.
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| use-grep-E-not-egrep.patch | text/x-diff | 2.7 KB |
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