From: Gary Wright <gwtmp01@...>
Date: 2009-03-04T01:30:35+09:00
Subject: Re: expanding environment variable


On Mar 3, 2009, at 10:50 AM, Dominik Honnef wrote:
>> Or: s = "$DIR/test/$FILE".gsub(/\$(\w+)/) { ENV[$1] }
> Probably depends on whether you like global variables or not. It is
> definitely shorter/more readable and I actually didn't know if gsub
> sets $1.

$1 isn't a true global variable.  It is a per-thread variable.  It
still is a bit 'magic' for many people's tastes but it isn't as bad
as a true global.

Gary Wright