- if
- ==
- indentation
Conditional statements: if
Sometimes based on some condition a piece of code has to be executed or not.
examples/scalars/if_conditional.pl
#!/usr/bin/perl use strict; use warnings; print "First number: "; my $x = <STDIN>; chomp $x; print "Second number: "; my $y = <STDIN>; chomp $y; if ($y == 0) { print "Cannot divide by zero\n"; } else { my $z = $x / $y; print "The result is $z\n"; }