kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

un.rb: help message

Browse source 
* lib/un.rb (setup): show help message by help method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41800 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-07-05 13:43:22 +00:00
parent 4d076e91c8
commit 0fc3541664
1 changed files with 14 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
lib/un.rb
View file

@ -34,6 +34,7 @@ end
# :nodoc:
def setup(options = "", *long_options)
caller = caller_locations(1, 1)[0].label
opt_hash = {}
argv = []
OptionParser.new do |o|
@ -54,6 +55,10 @@ def setup(options = "", *long_options)
end
end
o.on("-v") do opt_hash[:verbose] = true end
o.on("--help") do
UN.help([caller])
exit
end
o.order!(ARGV) do |x|
if /[*?\[{]/ =~ x
argv.concat(Dir[x])
@ -338,12 +343,20 @@ end
def help
setup do |argv,|
UN.help(argv)
end
end
module UN # :nodoc:
module_function
def help(argv, output: $stdout)
all = argv.empty?
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]
print help.gsub(/^# ?/, "")
output << help.gsub(/^# ?/, "")
break if !all and argv.empty?
end
end
end