I would suggest changing $realpath =~ s/$basename$//; to $realpath =~ s/\Q$basename\E$//;
Jeff japhy Pinyan,
P.L., P.M., P.O.D, X.S.:
Perl,
regex,
and perlhacker How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart