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-rw-r--r--doc/optparse/ruby/optional_argument.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/optparse/ruby/optional_argument.rb b/doc/optparse/ruby/optional_argument.rb
new file mode 100644
index 0000000000..456368a8ba
--- /dev/null
+++ b/doc/optparse/ruby/optional_argument.rb
@@ -0,0 +1,9 @@
+require 'optparse'
+parser = OptionParser.new
+parser.on('-x [XXX]', '--xxx', 'Optional argument via short name') do |value|
+ p ['--xxx', value]
+end
+parser.on('-y', '--yyy [YYY]', 'Optional argument via long name') do |value|
+ p ['--yyy', value]
+end
+parser.parse!