From: Peter Bailey <lists@...>
Date: 2013-01-10T20:58:33+09:00
Subject: Re: One liner for filenames

Brian D. B. wrote in post #1091712:
> On 01/08/2013 05:04 PM, Damián M. González wrote:
>>> ...
>> ruby -e "Dir.foreach('C:/Directory_with_png/') {|file| File.delete(file)
>> unless (file.==('.')) || (file.==('..') || (file.==('filename_1.png'))"
>>
>>  Kind regards.
>>
>
> There's certainly many ways to do this, but globing will ignore the dot
> dirs, and is a bit shorter.
> File.delete *Dir['*.png'].reject {|f| f =~ /_1\.png$/ }

Thanks, Brian. But, even preceding this with "ruby -e" gives me nothing. 
Should I make this part of a script instead of it being a one-liner?

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