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* lib/fileutils.rb (mv): new option `force'. [ruby-talk:99457]
* lib/fileutils.rb: new method for command option reflection: FileUtils.commands, .options, .have_option?, .options_of, .collect_methods. * lib/fileutils.rb: module Verbose, NoWrite, DryRun do not have option flags @fileutils_verbose and @fileutils_noop, they make no sense. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6271 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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Fri May 7 22:07:39 2004 Minero Aoki <aamine@loveruby.net>
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* lib/fileutils.rb (mv): new option `force'. [ruby-talk:99457]
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* lib/fileutils.rb: new method for command option reflection:
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FileUtils.commands, .options, .have_option?, .options_of,
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.collect_methods.
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* lib/fileutils.rb: module Verbose, NoWrite, DryRun do not have
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option flags @fileutils_verbose and @fileutils_noop, they make no
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sense.
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Fri May 7 21:50:21 2004 Dave Thomas <dave@pragprog.com>
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* lib/rdoc/parsers/parse_rb.rb (RDoc::parse_include): Allow
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159
lib/fileutils.rb
159
lib/fileutils.rb
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@ -1,7 +1,7 @@
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#
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# = fileutils.rb
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#
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# Copyright (c) 2000-2003 Minero Aoki <aamine@loveruby.net>
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# Copyright (c) 2000-2004 Minero Aoki <aamine@loveruby.net>
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#
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# This program is free software.
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# You can distribute/modify this program under the same terms of ruby.
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@ -48,9 +48,9 @@
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# There are some `low level' methods, which does not accept any option:
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#
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# uptodate?(file, cmp_list)
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# copy_file(srcfilename, destfilename)
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# copy_file(srcpath, destpath)
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# copy_stream(srcstream, deststream)
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# compare_file(file_a, file_b)
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# compare_file(path_a, path_b)
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# compare_stream(stream_a, stream_b)
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#
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# == module FileUtils::Verbose
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@ -65,6 +65,12 @@
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# files/directories. This equates to passing the <tt>:noop</tt> flag to methods
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# in FileUtils.
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#
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# == module FileUtils::DryRun
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#
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# This module has all methods of FileUtils module, but never changes
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# files/directories. This equates to passing the <tt>:noop</tt> and
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# <tt>:verbose</tt> flags to methods in FileUtils.
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#
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module FileUtils
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@ -374,7 +380,7 @@ module FileUtils
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end
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private :fu_copy_dir
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def fu_p_copy(src, dest, really) #:nodoc:
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def fu_p_copy(src, dest, really = true) #:nodoc:
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fu_preserve_attr(really, src, dest) {
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copy_file src, dest
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}
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@ -427,43 +433,42 @@ module FileUtils
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end
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#
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# Options: noop verbose
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# Options: force noop verbose
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#
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# Moves file(s) +src+ to +dest+. If +file+ and +dest+ exist on the different
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# disk partition, the file is copied instead.
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#
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# FileUtils.mv 'badname.rb', 'goodname.rb'
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# FileUtils.mv 'stuff.rb', 'lib/ruby', :force => true
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# FileUtils.mv 'stuff.rb', '/notexist/lib/ruby', :force => true # no error
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#
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# FileUtils.mv %w(junk.txt dust.txt), '/home/aamine/.trash/'
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# FileUtils.mv Dir.glob('test*.rb'), 'test', :noop, :verbose => true
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# FileUtils.mv Dir.glob('test*.rb'), 'test', :noop => true, :verbose => true
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#
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def mv(src, dest, options = {})
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fu_check_options options, :noop, :verbose
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fu_output_message "mv #{[src,dest].flatten.join ' '}" if options[:verbose]
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fu_check_options options, :force, :noop, :verbose
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fu_output_message "mv#{options[:force] ? ' -f' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
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return if options[:noop]
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fu_each_src_dest(src, dest) do |s,d|
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if rename_cannot_overwrite_file? and File.file?(d)
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begin
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File.unlink d
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rescue SystemCallError
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raise unless options[:force]
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end
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end
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begin
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File.rename s, d
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rescue
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if File.symlink?(s)
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File.symlink File.readlink(s), dest
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File.unlink s
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else
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st = File.stat(s)
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copy_file s, d
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File.unlink s
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File.utime st.atime, st.mtime, d
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rescue SystemCallError
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begin
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File.chown st.uid, st.gid, d
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rescue
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# ignore
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if File.symlink?(s)
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File.symlink File.readlink(s), d
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else
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fu_p_copy s, d
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end
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File.unlink s
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rescue SystemCallError
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raise unless options[:force]
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end
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end
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end
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@ -791,114 +796,142 @@ module FileUtils
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OPT_TABLE = {
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'pwd' => %w(),
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'cd' => %w( noop verbose ),
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'chdir' => %w( noop verbose ),
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'chmod' => %w( noop verbose ),
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'copy' => %w( preserve noop verbose ),
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'cp' => %w( preserve noop verbose ),
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'cp_r' => %w( preserve noop verbose ),
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'install' => %w( preserve mode noop verbose ),
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'link' => %w( force noop verbose ),
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'ln' => %w( force noop verbose ),
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'ln_s' => %w( force noop verbose ),
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'copy' => %w( noop verbose preserve ),
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'cp' => %w( noop verbose preserve ),
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'cp_r' => %w( noop verbose preserve ),
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'install' => %w( noop verbose preserve mode ),
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'link' => %w( noop verbose force ),
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'ln' => %w( noop verbose force ),
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'ln_s' => %w( noop verbose force ),
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'ln_sf' => %w( noop verbose ),
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'makedirs' => %w( noop verbose ),
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'mkdir' => %w( mode noop verbose ),
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'mkdir_p' => %w( mode noop verbose ),
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'mkdir' => %w( noop verbose mode ),
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'mkdir_p' => %w( noop verbose mode ),
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'mkpath' => %w( noop verbose ),
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'move' => %w( noop verbose ),
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'mv' => %w( noop verbose ),
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'remove' => %w( force noop verbose ),
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'rm' => %w( force noop verbose ),
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'move' => %w( noop verbose force ),
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'mv' => %w( noop verbose force ),
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'remove' => %w( noop verbose force ),
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'rm' => %w( noop verbose force ),
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'rm_f' => %w( noop verbose ),
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'rm_r' => %w( force noop verbose ),
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'rm_r' => %w( noop verbose force ),
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'rm_rf' => %w( noop verbose ),
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'rmtree' => %w( noop verbose ),
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'rmdir' => %w( noop verbose ),
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'safe_unlink' => %w( noop verbose ),
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'symlink' => %w( force noop verbose ),
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'symlink' => %w( noop verbose force ),
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'touch' => %w( noop verbose )
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}
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#
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# Returns an Array of method names which have any options.
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#
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# p FileUtils.commands #=> ["chmod", "cp", "cp_r", "install", ...]
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#
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def FileUtils.commands
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OPT_TABLE.keys
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end
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#
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# Returns an Array of option names.
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#
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# p FileUtils.options #=> ["noop", "force", "verbose", "preserve", "mode"]
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#
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def FileUtils.options
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OPT_TABLE.values.flatten.uniq
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end
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#
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# Returns true if the method +mid+ have an option +opt+.
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#
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# p FileUtils.have_option?(:cp, :noop) #=> true
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# p FileUtils.have_option?(:rm, :force) #=> true
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# p FileUtils.have_option?(:rm, :perserve) #=> false
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#
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def FileUtils.have_option?(mid, opt)
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li = OPT_TABLE[mid] or raise ArgumentError, "no such method: #{mid}"
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li.include?(opt.to_s)
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end
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#
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# Returns an Array of option names of the method +mid+.
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#
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# p FileUtils.options(:rm) #=> ["noop", "verbose", "force"]
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#
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def FileUtils.options_of(mid)
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OPT_TABLE[mid.to_s]
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end
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#
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# Returns an Array of method names which have the option +opt+.
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#
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# p FileUtils.collect_methods(:preserve) #=> ["cp", "cp_r", "copy", "install"]
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#
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def FileUtils.collect_methods(opt)
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OPT_TABLE.keys.select {|m| OPT_TABLE[m].include?(opt) }
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end
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#
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# This module has all methods of FileUtils module, but it outputs messages
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# before acting. This equates to passing the <tt>:verbose</tt> flag to methods in
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# FileUtils.
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# before acting. This equates to passing the <tt>:verbose</tt> flag to
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# methods in FileUtils.
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#
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module Verbose
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include FileUtils
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@fileutils_output = $stderr
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@fileutils_label = ''
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@fileutils_verbose = true
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@fileutils_nowrite = false
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FileUtils::OPT_TABLE.each do |name, opts|
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next unless opts.include?('verbose')
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module_eval(<<-EOS, __FILE__, __LINE__ + 1)
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def #{name}(*args)
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@fileutils_verbose = true unless defined?(@fileutils_verbose)
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super(*fu_update_option(args, :verbose => @fileutils_verbose))
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super(*fu_update_option(args, :verbose => true))
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end
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EOS
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end
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extend self
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end
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#
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# This module has all methods of FileUtils module, but never changes
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# files/directories. This equates to passing the <tt>:noop</tt> flag to methods in
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# FileUtils.
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# files/directories. This equates to passing the <tt>:noop</tt> flag
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# to methods in FileUtils.
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#
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module NoWrite
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include FileUtils
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@fileutils_output = $stderr
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@fileutils_label = ''
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@fileutils_verbose = false
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@fileutils_nowrite = true
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FileUtils::OPT_TABLE.each do |name, opts|
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next unless opts.include?('noop')
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module_eval(<<-EOS, __FILE__, __LINE__ + 1)
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def #{name}(*args)
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@fileutils_nowrite = true unless defined?(@fileutils_nowrite)
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super(*fu_update_option(args, :noop => true))
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end
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EOS
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end
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extend self
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end
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#
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# This module has all methods of FileUtils module, but never changes
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# files/directories, with printing message before acting.
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# This equates to passing the +:noop+ and +:verbose+ flag
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# This equates to passing the <tt>:noop</tt> and <tt>:verbose</tt> flag
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# to methods in FileUtils.
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#
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module DryRun
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include FileUtils
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@fileutils_output = $stderr
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@fileutils_label = ''
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@fileutils_verbose = true
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@fileutils_nowrite = true
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FileUtils::OPT_TABLE.each do |name, opts|
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next unless opts.include?('noop')
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module_eval(<<-EOS, __FILE__, __LINE__ + 1)
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def #{name}(*args)
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@fileutils_verbose = true unless defined?(@fileutils_verbose)
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@fileutils_nowrite = true unless defined?(@fileutils_nowrite)
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super(*fu_update_option(args, :noop => true, :verbose => true))
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end
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EOS
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end
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extend self
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end
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