rob@budapest:~$ find2perl . -type f -exec perl -pi.bak -e 's/old/new/g' {} \;
#!/usr/bin/perl-5.005
    eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
        if $running_under_some_shell;

require "find.pl";

# Traverse desired filesystems


&find('.');

exit;
sub wanted {
    (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
    -f _ &&
    &exec(0, 'perl','-pi.bak','-e','s/old/new/g','{}');
}

sub exec {
    local($ok, @cmd) = @_;
    foreach $word (@cmd) {
        $word =~ s#{}#$name#g;
    }
    if ($ok) {
        local($old) = select(STDOUT);
        $| = 1;
        print "@cmd";
        select($old);
        return 0 unless <STDIN> =~ /^y/;
    }
    chdir $cwd;         # sigh
    system @cmd;
    chdir $dir;
    return !$?;
}