From: Mike Hall <mghall@...>
Date: 2002-04-06T04:54:51+09:00
Subject: Addition to file.c (File.extension)

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I added a File.extension method to file.c.
I was going to add a 'rootname' which is like
basename, but strips off the extension also,
but while I was in the code, I noticed the nice
wild-card available.

A patch file is attached, along with a little test script.

--
Mike Hall
http://www.enteract.com/~mghall
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# test 'File.extension' command

puts "Ruby: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}) [#{RUBY_PLATFORM}]" 
# Ruby: 1.7.2 (2002-03-27) [i686-linux] 

puts "FILE	DIR	BASE	FILE	EXT"

def show path
  d = File.dirname path
  b = File.basename path
  f = File.basename path, '.*'
  e = File.extension path
  puts "#{path}	#{d}	#{b}	#{f}	#{e}"
end

show 'a'
show 'a.'
show 'a.b'
show 'a.b/c'

show '/a'
show '/a.'
show '/a.b'
show '/a.b/c'

show '.a'
show '.a.'
show '.a.b'
show '.a/'
show '.a/.b'
show '.a/.b.'
show '.a/.b.c'
show '.a/b'
show '.a/b.'
show '.a/b.c'
show '.a/b.c.'
show '.a/b.c.d'


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