From: | Geoff Winkless <pgsqladmin(at)geoff(dot)dj> |
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To: | Randy Strauss <rstr(at)stanford(dot)edu>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: multiple sql results to shell |
Date: | 2017-10-24 09:58:18 |
Message-ID: | CAEzk6ffJ+Br0tRcL2e+VhPUfdicR2wObh8S=tdwJ1+o7+Sof=g@mail.gmail.com |
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On 23 October 2017 at 23:14, Randy Strauss <rstr(at)stanford(dot)edu> wrote:
> To get input from a file w/o a sub-shell,
> you can put the input at the end of the loop:
That's a good point: and it also jogged my memory that in bash you can
do process substitution, so
while read a; do $a; done < <(psql -tqAX -c 'SELECT ...')
will keep the read loop in the main process, not the child (unlike the
"| while read" syntax)
Geoff
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