Or rather than invoke Perl twice: 
use File::Find;
my @new_list;
find sub {
  push @new_list, $File::Find::name if --- some criterion here ---;
}, @ARGV;
@ARGV = @new_list;
$^I = ".bak";
while (<>) {
  s/old/new/g;
  print;
}

[download]

-- Randal L. Schwartz, Perl hacker

In reply to Re: Shell trick to edit many files with perl by merlyn
in thread Shell trick to edit many files with perl by jepri

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