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|
#
# = 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 'getopts'
module FileUtils
# @fileutils_label = ''
@fileutils_output = $stdout
end
def setup(options = "")
options += "v"
ARGV.map! do |x|
case x
when /^-/
x.delete "^-#{options}"
when /[*?\[{]/
Dir[x]
else
x
end
end
ARGV.flatten!
ARGV.delete_if{|x| x == '-'}
getopts(options)
options = {}
options[:verbose] = true if $OPT["v"]
options[:force] = true if $OPT["f"]
options[:preserve] = true if $OPT["p"]
yield ARGV, options, $OPT
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, opt|
cmd = "cp"
cmd += "_r" if opt["r"]
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, opt|
cmd = "ln"
cmd += "_s" if opt["s"]
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, opt|
cmd = "rm"
cmd += "_r" if opt["r"]
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, opt|
cmd = "mkdir"
cmd += "_p" if options.delete :preserve
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, opt|
options[:mode] = opt["m"] ? opt["m"].oct : 0755
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
|
