pbyfire:

You can slurp the entire file into a variable by localizing the $/ variable:

{
    local $/;
    $Gibberish = <$FH>;
}
[download]

If you do that after the open, and before the binmode & seek, you should be able to do a global search & replace on the entire file. Then just put it in a loop...

...roboticus

When your only tool is a hammer, all problems look like your thumb.