diff options
| -rw-r--r-- | lib/un.rb | 16 |
1 files changed, 13 insertions, 3 deletions
@@ -351,15 +351,25 @@ module UN # :nodoc: module_function def help(argv, output: $stdout) all = argv.empty? + cmd = nil + if all + store = proc {|msg| output << msg} + else + messages = {} + store = proc {|msg| messages[cmd] = msg} + end open(__FILE__) do |me| while me.gets("##\n") if help = me.gets("\n\n") - if all or argv.delete help[/^#\s*ruby\s.*-e\s+(\w+)/, 1] - output << help.gsub(/^# ?/, "") - break if !all and argv.empty? + if all or argv.include?(cmd = help[/^#\s*ruby\s.*-e\s+(\w+)/, 1]) + store[help.gsub(/^# ?/, "")] + break unless all or argv.size > messages.size end end end end + if messages + argv.each {|cmd| output << messages[cmd]} + end end end |