[nylug-talk] dig weird behavior
Frank D. Greco
Wed Sep 27 23:44:25 EDT 2006
I wrote a small bash script (on RH AS3) that looped through a set of
hostnames and used dig to find aliases (etc), i.e.,
for i in $HOSTS
do
dig ... | grep ...
done
Worked fine as expected. But since my $HOSTS has been getting quite
large, I attempted to parallelize the guts of the loop:
for i in $HOSTS
do
dig ... | grep ... > $TMPDIR/$i &
done
wait
cat $TMPDIR/* | sort
Surprisingly, this hung. When I checked my $TMPDIR, all the files
were created, but some were 0 bytes. When I hit CTRL-C on this script,
I got some odd error about sockcount == 0 from dig.c
Anyone know what's going on here?
Thanks,
Frank G.
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