Strippath.rb

Often I need to remove something off my path. For example, when building certain tools, I don't want Sun's cc compiler present.

Here's a simple ruby script I use to find the program, and display what my path needs to be changed to. <geshi lang="ruby">

1. !/bin/env ruby

1. a simple script to help clean up one's path.

path = ENV['PATH'].split(':').uniq

args = ARGV.clone while args.size > 0 do

   cmd = args.shift
   type = 
   while !type.match(/not found/)
     type = `type #{cmd} 2>&1`.chomp
     if type =~ /(#{cmd}) is (.*)/ then
       dir = File.dirname($2).to_s
       puts "removing #{dir}"
       if !path.delete(dir) then
         puts "failed to find #{dir} on #{path.join(':')}"
         exit 1
       end
       ENV['PATH'] = path.join(':')
     end
   end

end

puts "export PATH=\"#{path.join(':')}\"" </geshi>