From: Justin Collins <justincollins@...>
Date: 2008-02-09T08:37:15+09:00
Subject: Re: trouble with FileUtils.rm() -- Invalid arguement error

an an wrote:
> Tim Hunter wrote:
>   
>> an an wrote:
>>     
>>> I have tried several different variations, of backtick, single quotes,
>>> double quotes, etc, etc....even tried deleting a single file, and it
>>> always gives me the same error. Also tried rm_r, rm_rf...still no luck.
>>>
>>> could someone explain to me what I am doing wrong? thanks!
>>>       
>> It looks like you're trying to remove all the files in the directory at
>> once. Bear in mind that FileUtils.rm wants a _list_ of filenames, not a
>> pattern to match. You can specify a list of filenames by accumulating
>> them in an array and then using the splat operator:
>>
>> filenames = whatever it takes to get all the filename in an array
>> FileUtils.rm(*filenames)
>>     
>
> So I am stuck again on this...I have the following code:
>
> dir = Dir.open("c:\\myDir\\delete\\")
> FileUtils.rm(dir.entries.reject{|e| /\.{1,2}$/ =~ e})
>
> the problem is, that the dir.entries only returns the filename of each 
> entry...is there anyway to have them expanded


Use Dir.glob instead:

FileUtils.rm Dir.glob("c:\\myDir\\delete\\")

-Justin