Adjust as you will: 
#!/usr/bin/perl -w
use strict;

while (<DATA>)
{
   print "$. $_"; # $. is current line number
}

=prints
1 some line 1
2 some line 2
3 some line 3
=cut

__DATA__
some line 1
some line 2
some line 3

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In reply to Re: Returning line numbers of a string by Marshall
in thread Returning line numbers of a string by pts491

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