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Hello,

   I am processing a list of files using a for loop. However -- I would
like to perform some special processing if the file names contain a
date. I wrote this:

-----------------------------
#!/bin/sh

for f in ~/backup/*.gpg
do
        if echo "$f" | egrep -q '[0-9]{4}-[0-9]{2}-[0-9]{2}' ; then
                echo "$f"
        fi

done
-----------------------------

   ...and it seems to do what I expect it to. What I am actually using
is the return code from egrep -- but is it safe to do it like that? Is
my assumption correct -- that the return code from egrep is simply
"passed through" echo, or will I be seeing odd side effects five years
from now?

--=20
Kind regards,
Jan Danielsson



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