Ruby Optparse Error

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require 'optparse' require 'optparse/time' OptionParser. new do | parser. bash-3.2$ ruby optparse-test.rb -t. Program name to be emitted in error message and.

I was working on making a CLI ruby tool a bit more robust with error handling of the CLI component of the tool. I'm using optparse and the documentation shows that.

However, if I use -mig, I get no error and a version value of nil is passed. In particular, the ruby optparse module appears to have a design.

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Several last tries to use portupgrade gave me this error: [Reading data. in main' from /usr/local/lib/ruby/2.3/optparse.rb:1062:in `initialize' from.

Jan 10, 2014. (in a real scenario I replace the puts with a logger-warning/error). to instantiate an object without passing a :person , Ruby will raise an error.

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Ruby comes equipped with a powerful and flexible tool to parse command-line options, OptionParser. The class is an alternative to GetoptLong.

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Python Tutorial: argparse – 2017 – bogotobogo.com – Python tutorial Python Home Introduction Running Python Programs (os, sys, import) Modules and IDLE (Import, Reload, exec) Object Types – Numbers, Strings, and None

CoffeeScript – Note how because we are assigning the value of the comprehensions to a variable in the example above, CoffeeScript is collecting the result of each iteration into an.

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