JezK
Edit File: un.rb
# # = un.rb # # Copyright (c) 2003 WATANABE Hirofumi <eban@ruby-lang.org> # # This program is free software. # You can distribute/modify this program under the same terms of Ruby. # # == Utilities to replace common UNIX commands in Makefiles etc # # == SYNOPSIS # # ruby -run -e cp -- [OPTION] SOURCE DEST # ruby -run -e ln -- [OPTION] TARGET LINK_NAME # ruby -run -e mv -- [OPTION] SOURCE DEST # ruby -run -e rm -- [OPTION] FILE # ruby -run -e mkdir -- [OPTION] DIRS # ruby -run -e rmdir -- [OPTION] DIRS # ruby -run -e install -- [OPTION] SOURCE DEST # ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE # ruby -run -e touch -- [OPTION] FILE # ruby -run -e help [COMMAND] require "fileutils" require "optparse" module FileUtils # @fileutils_label = "" @fileutils_output = $stdout end def setup(options = "") ARGV.map! do |x| case x when /^-/ x.delete "^-#{options}v" when /[*?\[{]/ Dir[x] else x end end ARGV.flatten! ARGV.delete_if{|x| x == "-"} opt_hash = {} OptionParser.new do |o| options.scan(/.:?/) do |s| o.on("-" + s.tr(":", " ")) do |val| opt_hash[s.delete(":").intern] = val end end o.on("-v") do opt_hash[:verbose] = true end o.parse! end yield ARGV, opt_hash end ## # Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY # # ruby -run -e cp -- [OPTION] SOURCE DEST # # -p preserve file attributes if possible # -r copy recursively # -v verbose # def cp setup("pr") do |argv, options| cmd = "cp" cmd += "_r" if options.delete :r options[:preserve] = true if options.delete :p dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.send cmd, argv, dest, options end end ## # Create a link to the specified TARGET with LINK_NAME. # # ruby -run -e ln -- [OPTION] TARGET LINK_NAME # # -s make symbolic links instead of hard links # -f remove existing destination files # -v verbose # def ln setup("sf") do |argv, options| cmd = "ln" cmd += "_s" if options.delete :s options[:force] = true if options.delete :f dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.send cmd, argv, dest, options end end ## # Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY. # # ruby -run -e mv -- [OPTION] SOURCE DEST # # -v verbose # def mv setup do |argv, options| dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.mv argv, dest, options end end ## # Remove the FILE # # ruby -run -e rm -- [OPTION] FILE # # -f ignore nonexistent files # -r remove the contents of directories recursively # -v verbose # def rm setup("fr") do |argv, options| cmd = "rm" cmd += "_r" if options.delete :r options[:force] = true if options.delete :f FileUtils.send cmd, argv, options end end ## # Create the DIR, if they do not already exist. # # ruby -run -e mkdir -- [OPTION] DIR # # -p no error if existing, make parent directories as needed # -v verbose # def mkdir setup("p") do |argv, options| cmd = "mkdir" cmd += "_p" if options.delete :p FileUtils.send cmd, argv, options end end ## # Remove the DIR. # # ruby -run -e rmdir -- [OPTION] DIR # # -v verbose # def rmdir setup do |argv, options| FileUtils.rmdir argv, options end end ## # Copy SOURCE to DEST. # # ruby -run -e install -- [OPTION] SOURCE DEST # # -p apply access/modification times of SOURCE files to # corresponding destination files # -m set permission mode (as in chmod), instead of 0755 # -v verbose # def install setup("pm:") do |argv, options| options[:mode] = (mode = options.delete :m) ? mode.oct : 0755 options[:preserve] = true if options.delete :p dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.install argv, dest, options end end ## # Change the mode of each FILE to OCTAL-MODE. # # ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE # # -v verbose # def chmod setup do |argv, options| mode = argv.shift.oct FileUtils.chmod mode, argv, options end end ## # Update the access and modification times of each FILE to the current time. # # ruby -run -e touch -- [OPTION] FILE # # -v verbose # def touch setup do |argv, options| FileUtils.touch argv, options end end ## # Display help message. # # ruby -run -e help [COMMAND] # def help setup do |argv,| all = argv.empty? open(__FILE__) do |me| while me.gets("##\n") if help = me.gets("\n\n") if all or argv.delete help[/-e \w+/].sub(/-e /, "") print help.gsub(/^# ?/, "") end end end end end end