Just a quick clarification on the source of $mode in the ree's example above 
perl -e 'use Fcntl qw(:mode);$permissions=S_IMODE((stat("filename"))[2
+]);print $permissions,"\n";'

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In reply to Re^2: check if file is executable by user/group/world? by Utilitarian
in thread check if file is executable by user/group/world? by Anonymous Monk

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