perl post condition
# Basic syntax: statement if condition; statement unless condition; # Example usage: my $x = 3; my $y = 5; # run the statement on the left only if the statement on the right is true print "x is less than y\n" if $x < $y; --> x is less than y # run the statement on the left only if the statement on the right is false print "x is less than y\n" unless $x > $y; --> x is less than y
Source: korflab.ucdavis.edu