#!/usr/bin/perl

# http://perlmonks.org/?node_id=1162396

use strict;
use warnings;

# display_paragraph(array_ref, indentation)
#
# print lines of array, indenting all but first line.
# Note: use strict and use warnings are in effect, 
# so must declare 'my' vars!
#
sub display_paragraph {
   my $aref = shift;
   my $indentation;
   for my $line (@$aref) {
      print ' ' x ($indentation // 0), "$line\n";
      $indentation //= shift;
   }
}

display_paragraph( [ qw( one two three four five )], 2);

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In reply to Re: Easiest way to do something only on first iteration of loop by Anonymous Monk
in thread Easiest way to do something only on first iteration of loop by ibm1620

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