I am attempting to remove 3 commas from the file below but it is not working. 

  
#!/usr/bin/perl

use strict;
use warnings;

my @data;
my @line;

open(FH, "error_log");
@data = <FH>;

foreach $line (@data) {
   if ($line =~ /notice/) {
      if ($line =~ /rdy/) {
        $line =~ s/ /,/g;
        my @L1 = split(/notice|[[]|mpmstats:[\t]/, $line);
        foreach $line (@L1) {
           $line =~ s/,,,/,/g;
           print @L1;
           }
        }
     }
  }

[download]

My output is as follows.

 Wed,Jun,13,10:23:35,2012,,,rdy,769,busy,31,rd,0,wr,22,ka,6

Why is the s/,,,/,/g; not substituting the single comma?

In reply to Perl substitution not working by Anonymous Monk

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