The "code" (rather than "one liner") equivelent of tirwhan's example:

use strict;
use warnings;

local @ARGV = ('file.csv');
local $^I = '.bak';

while (<>)
  {
  print "prepended stuff - $_";
  }

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DWIM is Perl's answer to Gödel

In reply to Re: Prepend Evey Line in a File by GrandFather
in thread Prepend Evey Line in a File by awohld

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