module FileUtils
########################################################################### This a FileUtils extension that defines several additional commands to be added to the FileUtils utility functions.
Constants
- LN_SUPPORTED
- RUBY
Path to the currently running Ruby program
Public Instance Methods
ruby(*args,&block)
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Run a Ruby interpreter with the given arguments.
Example:
ruby %Q{-pe '$_.upcase!' <README}
# File lib/rake/file_utils.rb, line 75 def ruby(*args,&block) options = (Hash === args.last) ? args.pop : {} if args.length > 1 then sh(*([RUBY] + args + [options]), &block) else sh("#{RUBY} #{args.first}", options, &block) end end
safe_ln(*args)
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Attempt to do a normal file link, but fall back to a copy if the link fails.
# File lib/rake/file_utils.rb, line 88 def safe_ln(*args) unless LN_SUPPORTED[0] cp(*args) else begin ln(*args) rescue StandardError, NotImplementedError LN_SUPPORTED[0] = false cp(*args) end end end
sh(*cmd, &block)
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Run the system command cmd
. If multiple arguments are given
the command is not run with the shell (same semantics as Kernel::exec and
Kernel::system).
Example:
sh %Q{ls -ltr} sh 'ls', 'file with spaces' # check exit status after command runs sh %Q{grep pattern file} do |ok, res| if ! ok puts "pattern not found (status = #{res.exitstatus})" end end
# File lib/rake/file_utils.rb, line 34 def sh(*cmd, &block) options = (Hash === cmd.last) ? cmd.pop : {} shell_runner = block_given? ? block : create_shell_runner(cmd) set_verbose_option(options) options[:noop] ||= Rake::FileUtilsExt.nowrite_flag Rake.rake_check_options options, :noop, :verbose Rake.rake_output_message cmd.join(" ") if options[:verbose] unless options[:noop] res = rake_system(*cmd) status = $? status = PseudoStatus.new(1) if !res && status.nil? shell_runner.call(res, status) end end
split_all(path)
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Split a file path into individual directory names.
Example:
split_all("a/b/c") => ['a', 'b', 'c']
# File lib/rake/file_utils.rb, line 106 def split_all(path) head, tail = File.split(path) return [tail] if head == '.' || tail == '/' return [head, tail] if head == '/' return split_all(head) + [tail] end
Private Instance Methods
create_shell_runner(cmd)
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# File lib/rake/file_utils.rb, line 49 def create_shell_runner(cmd) show_command = cmd.join(" ") show_command = show_command[0,42] + "..." unless $trace lambda { |ok, status| ok or fail "Command failed with status (#{status.exitstatus}): [#{show_command}]" } end
rake_system(*cmd)
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# File lib/rake/file_utils.rb, line 65 def rake_system(*cmd) Rake::AltSystem.system(*cmd) end
set_verbose_option(options)
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# File lib/rake/file_utils.rb, line 58 def set_verbose_option(options) if options[:verbose].nil? options[:verbose] = Rake::FileUtilsExt.verbose_flag.nil? || Rake::FileUtilsExt.verbose_flag end end