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-rw-r--r--doc/ruby/short_range.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/ruby/short_range.rb b/doc/ruby/short_range.rb
new file mode 100644
index 0000000000..f5b870a4bd
--- /dev/null
+++ b/doc/ruby/short_range.rb
@@ -0,0 +1,6 @@
+require 'optparse'
+parser = OptionParser.new
+parser.on('-[!-~]', 'Short names in (very large) range') do |name, value|
+ p ['!-~', name, value]
+end
+parser.parse!