Perl: Loops

Perl supports the following types of loops:

• for loop
• foreach loop (and for my loop)
• while loop
• until loop
• do ... while loop
• nested loops

Perl also supports the following loop control statements:

• next statement
• last statement
• continue statement
• redo statement
• goto statement

Example: For loop in Perl

	for (my $i=0; $i <= 5; $i++) {
	   print "$i\n";
	}
	

Output:

  0
  1
  2
  3
  4
  5

Example: Foreach loop in Perl

	foreach my $i (0..5) {
	  print "$i\n";
	}
	

Output:

  0
  1
  2
  3
  4
  5

Example: For my loop in Perl

	for my $i (0..5) {
	  print "$i\n";
	}
	

Output:

  0
  1
  2
  3
  4
  5

Example: while loop in Perl

	my $count = 12;
	 
	while ($count > 0) {
	  print "$count\n";
	  $count -= 2;
	}
	

Output:

  12
  10
  8
  6
  4
  2