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> Wondering how to invoke a application like diff from plpgsql? Thanks!

Pl/Pgsql cannot execute system commands. For that, you will need one
of the other Pl languages, running in "untrusted" mode. Here are
some from the manual:

http://www.postgresql.org/docs/curre...tic/pltcl.html
http://www.postgresql.org/docs/curre...ic/plperl.html
http://www.postgresql.org/docs/curre.../plpython.html

- --
Greg Sabino Mullane greg@turnstep.com
PGP Key: 0x14964AC8 200605262300
http://biglumber.com/x/web?pk=2529DF...9B906714964AC8

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