From: brabuhr@...
Date: 2011-07-23T04:34:59+09:00
Subject: Re: What's up with "Dir.glob"?

On Fri, Jul 22, 2011 at 3:22 PM, Peter Bailey <pbailey@bna.com> wrote:
> I'm having a hard time understanding why a simple Dir.glob sequence
> isn't working. I need to interrogate a directory for files that are
> prefixed with particular letter combinations.
> It seems to work for some prefixes, but not others.

$ mkdir /tmp/z
$ cd /tmp/z
$ touch wdp{1,2,3,4,5,6,7}.pdf
$ touch wrr{1,2,3,4,5,6,7}.pdf
$ touch wip{1,2,3,4,5,6,7}.pdf
$ touch wsl{1,2,3,4,5,6,7}.pdf
$ touch wcr{1,2,3,4,5,6,7}.pdf
$ ruby -v -rpp -e 'pp
Dir.glob("{wdp*.pdf,wrr*.pdf,wip*.pdf,wsl*.pdf,wcr*.pdf}").sort'
ruby 1.8.7 (2010-06-23 patchlevel 299) [x86_64-linux]
["wcr1.pdf", "wcr2.pdf", "wcr3.pdf", "wcr4.pdf", "wcr5.pdf",
"wcr6.pdf", "wcr7.pdf",
 "wdp1.pdf", "wdp2.pdf", "wdp3.pdf", "wdp4.pdf", "wdp5.pdf",
"wdp6.pdf", "wdp7.pdf",
 "wip1.pdf", "wip2.pdf", "wip3.pdf", "wip4.pdf", "wip5.pdf",
"wip6.pdf", "wip7.pdf",
 "wrr1.pdf", "wrr2.pdf", "wrr3.pdf", "wrr4.pdf", "wrr5.pdf",
"wrr6.pdf", "wrr7.pdf",
 "wsl1.pdf", "wsl2.pdf", "wsl3.pdf", "wsl4.pdf", "wsl5.pdf",
"wsl6.pdf", "wsl7.pdf"]

Are your actual filenames all lowercase?