From: dblack@...
Date: 2003-09-13T02:44:04+09:00
Subject: Re: Dir.foreach not with patterns?

Hi --

On Sat, 13 Sep 2003, Kurt V. Hindenburg wrote:

> Why does the third one not work as expected?  It appears that
> Dir.foreach will not work with patterns...
>
> #!/usr/bin/ruby
>
> s = "/etc/host*"
>
> #1
> l = Dir[s]
> p l
>
> #2
> Dir.foreach("/etc") { |d|   p d }
>
> #3
> Dir.foreach(s) { |d|  p d }
>
> #4
> # This is wasteful
> l = Dir[s]
> l.each { |f| p f }

You don't need two lines, though -- you can do this in a way that's actually
shorter than #3:

  Dir[s].each {|f| p f}


David

-- 
David Alan Black
home: dblack@superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav