From: Robert Klemme <shortcutter@...>
Date: 2009-12-15T19:09:35+09:00
Subject: Re: one-liner for lowercasing files

2009/12/14 Peter Bailey <pbailey@bna.com>:
> w_a_x_man wrote:
>> On Dec 14, 12:04�pm, Peter Bailey <pbai...@bna.com> wrote:
>>> Still no good. Here's what I get:
>>>
>>> >ruby -e 'Dir.glob("*.*").each { |fn| File.rename(fn, fn.downcase) }'
>>>
>>> 'fn' is not recognized as an internal or external command,
>>> operable program or batch file.
>>>
>>> E:\Asura-Non\BWDhelp\temp>
>>
>> Do not top-post.
>>
>> Since you are using the windoze shell, you must learn some things
>> about the windoze shell.  Does that make sense?
>>
>> In this case, the Ruby code must be enclosed in double quotes.
>> Try this.
>>
>> ruby -e "Dir['*'].each{|fn| p fn.downcase }"
>
> Here's what worked. Yours worked, waxman, but I needed a real filename
> conversion, not just a print of it.
> Thank you all for your help! This is great, simple stuff.
>
>>ruby -e "Dir.glob('*').each{|fn| File.rename(fn, fn.downcase) }"

Note that if you use a directory name in Dir['*'] you need to make
sure the dirname remains unchanged.  Then you might rather do

ruby -e 'Dir["path/*"].each {|f| d, p = File.split(f); File.rename(f,
File.join(d, p.downcase))}'

Kind regards

robert


-- 
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