From: Nobuyoshi Nakada <nobu@...>
Date: 2008-07-13T09:41:25+09:00
Subject: Re: can ruby replace bash scripts for linux script

Hi,

At Sun, 13 Jul 2008 04:27:05 +0900,
Xeno Campanoli wrote in [ruby-talk:307982]:
> for d in $(ls $MYDIR/*)
> do
> 	echo "trace:  $d"
> done
> 
> versus
> 
> Dir["#{MYDIR}/*"].each do |d|
> 	puts "trace:  $d"
> end
> 
> So, given the difference isn't much, I'd assert the first one is a 
> little clearer.  There are a lot of such examples.

Note that you may get unexpected results if there are files
contain space or shell meta-characters.  Bourne familly shells
automatically split strings into a list with $IFS.  It's
sometimes convenient but sometimes a pitfall.

-- 
Nobu Nakada