Below code loops only once and though i have 5 lines of text in my file it only loops once, how can i get it to loop 5 times, i donot want to store the entire file in memory in an array. 
open my $fh,"+<four_comma.txt" or die "Cannot open text $!";
my $i=0;
while(<$fh>){
  say $_;
  say ++$i;
}

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Solution

Got it! Had to change my EOL Conversion on notepad++ to Unix, it was set to DOS / Windows. Thank you.

In reply to loop by line on a file by sage.erosenin

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