Switch on sub
#!/usr/bin/perl -w use strict; use Switch; my $input; sub lessthan { $input < $_[0] }; $input=int(<>); switch ( \&lessthan ) { case 10 { print "less than 10\n" } case (100-$input) { print "less than 50\n" } case 100 { print "less than 100\n" } }