From: Gavin Sinclair <gsinclair@...>
Date: 2012-01-07T20:32:42+09:00
Subject: Re: one liner to insert line in a file

On Sat, Jan 7, 2012 at 10:28 PM, Josh Cheek <josh.cheek@gmail.com> wrote:
>
> Downside is it doesn't work on multiple files since Ruby's $. doesn't reset
> for each file (not sure why not).

If you pass multiple files on the command line, they're combined
through ARGF into one long stream.

Gavin