sh (FileUtils)

          # File lib/rake.rb, line 988
     988:   def sh(*cmd, &block)
     989:     options = (Hash === cmd.last) ? cmd.pop : {}
     990:     unless block_given?
     991:       show_command = cmd.join(" ")
     992:       show_command = show_command[0,42] + "..." unless $trace
     993:       # TODO code application logic heref show_command.length > 45
     994:       block = lambda { |ok, status|
     995:         ok or fail "Command failed with status (#{status.exitstatus}): [#{show_command}]"
     996:       }
     997:     end
     998:     if RakeFileUtils.verbose_flag == :default
     999:       options[:verbose] = true
    1000:     else
    1001:       options[:verbose] ||= RakeFileUtils.verbose_flag
    1002:     end
    1003:     options[:noop]    ||= RakeFileUtils.nowrite_flag
    1004:     rake_check_options options, :noop, :verbose
    1005:     rake_output_message cmd.join(" ") if options[:verbose]
    1006:     unless options[:noop]
    1007:       res = rake_system(*cmd)
    1008:       status = $?
    1009:       status = PseudoStatus.new(1) if !res && status.nil?
    1010:       block.call(res, status)
    1011:     end
    1012:   end