From: "David A. Black" <dblack@...>
Date: 2005-08-09T09:01:45+09:00
Subject: Re: One line handies

Hi --

On Tue, 9 Aug 2005, Ara.T.Howard wrote:

> On Tue, 9 Aug 2005, Ara.T.Howard wrote:
>
>> On Tue, 9 Aug 2005, David A. Black wrote:
>> 
>>> Hi --
>>> 
>>> On Tue, 9 Aug 2005, Lyndon Samson wrote:
>>> 
>>>> Ruby is such a sweet language that you can achieve alot with little code
>>>> 
>>>> I'd like to see what 'one-liners' others have come up with.
>>>> 
>>>> here's one I find usefull.
>>>> 
>>>> ruby -e 'puts ENV["path"].downcase.split(";").sort'
>>>> 
>>>> handy for windows but *nix ppl would probably use sed.
>>> 
>>> Not necessarily, but we would use PATH and ":" :-)
>> 
>> cross platform sed-ness:
>> 
>>  harp:~ > ruby -r yaml -e 'y ENV[% PATH ].downcase.split(%r [:;] )'
>
> oops
>
>  harp:~ > ruby -r yaml -e 'y (ENV[% PATH ] || ENV[% path 
> ]).downcase.split(%r [:;] )'

I'm not sure I get why you'd need all this (YAML, the space trick, the
two cases).  Does this:

ruby -e 'puts ENV["PATH"].downcase.split(/[:;]/).sort'

not work on all platforms?  Or are there quote/escaping issues?


David

-- 
David A. Black
dblack@wobblini.net