From: Trans <transfire@...>
Date: 2006-08-14T23:50:12+09:00
Subject: Re: sh command that ascends dir tree for executable


Jeffrey Schwab wrote:
> Not quite, but it's a great idea!  You might want to sit down for this one:
>
>      C:\>ruby -rpathname -e 'puts Pathname.getwd'
>      C:/
>
>      C:\>ruby -rpathname -e 'puts Pathname.getwd.parent'
>      C:/..
>
> Could you live with something like this, or are the regex/string
> manipulation/punctuation just too ugly?
>
>      file = ARGV.shift
>
>      Dir.chdir('..') until File.executable?(file) or
>          Dir.getwd =~ /^(?:\w:)?[\/\.]*$/
>
>      puts Dir.getwd.gsub(/\/$/, '') + '/' + file if File.executable?(file)

Guess I don't have much of choice. Pretty sad choice though. I can't
beleive there's not a cleaner solution.

T.