Resources
Online Documentation
perldoc –f chomp— Information on the chomp function.
perldoc –f undef— How undef works.
perldoc –f defined— Information on the defined test operator.
perldoc perlsyn— Basic syntax information.
perldoc perlop— Information on the Perl operators.
perldoc perlopentut— A tutorial on how to use simple I/O.
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