Hi,

Often I need to do something on the first iteration of a loop (or not do something on the first iteration). What I end up doing is something of this nature: 

# 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 = shift;
   my $first_time = 1;        # declare and init a flag
   for my $line (@$aref) {
      if (!$first_time) {     # test the flag
         print ' ' x $indentation;
         $first_time = 0;     # change the flag
      }
      print "$line\n";
   }
}

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Is there a way to do this less verbosely?

In reply to Easiest way to do something only on first iteration of loop by ibm1620

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