From: Robert Klemme <shortcutter@...>
Date: 2010-10-05T00:02:03+09:00
Subject: Re: how do i delete files in particular directoryin ruby ???

On Mon, Oct 4, 2010 at 2:27 PM, Stefano Crocco <stefano.crocco@alice.it> wrote:
> On Monday 04 October 2010, Amit Tomar wrote:
>> |Hii all,
>> |         i would like to know ,how do i delete all files in particular
>> |directoy .i don't know about name of files but i know from which
>> |directory i have to delete files.how should i do that??
>
> The ri documentation for FileUtils.rm gives several examples, among which you
> can find this:
>
> FileUtils.rm Dir.glob('*.so')
>
> This removes all files with extension .so from the current directory. To
> remove *all* files from the current directory, you need to replace '*.so' with
> '*' (which matches all file names):
>
> require 'fileutils'
> FileUtils.rm Dir.glob('*')
>
> If you want to remove all files from another directory, you do:
>
> require 'fileutils'
> FileUtils.rm Dir.glob('/path/to/dir/*')
>
> Note that this will give you errors in case the directory also contains
> subdirectories. In this case, the correct approach depends on what you want to
> obtain
> * if you also want to remove the subdirectories, replace FileUtils.rm with
> FileUtils.rm_r, which also remove directories
> * if you don't want to touch subdirectories and their content, you can do
> something like this:
>
> Dir.glob('*').each do |f|
>  FileUtils.rm f unless File.directory? f
> end
>
> * if you want to delete the files in the subdirectories but keep the empty
> subdirectories, you can do this:
>
> require 'find'
> Find.find('.') do |f|
>  next if File.directory? f
>  FileUtils.rm f
> end
>
> I hope this helps

And then there is also FileUtils.rm_r and FileUtils.rm_rf. :-)

Cheers

robert

-- 
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