in reply to the end of a word
perldoc -f chop
for when you know you don't want the last letter
perldoc -f tr
for when you want to get rid of certain characters no matter where they appear, example: $directory =~ tr/\]//
perldoc perlre
for when you need to do some fancy reg ex substitution stuff to get at real specific stuff like remove a specific character at the end of a string, example: $directory =~ s/\]$//
In Section
Seekers of Perl Wisdom