in reply to finding a value in a list

Hi ,

Why not, assuming the mac has similar piping etc capabilities as *NIX, something along the lines of (untested)... 

sudo dscl . list groups gid | perl -ane "$lookup{$@F[1]} = {$@F[0]}; E
+ND{print $lookup{87}}"

[download]

HTH

At last, a user level that overstates my experience :-))

In Section Seekers of Perl Wisdom