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by Todd Werth.
Original Post: A simple Ruby command-line application skeleton
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To write a command-line
application in Ruby is very simple, the following two-line application converts everything in the
standard input to upper case and then outputs it:
#!/usr/bin/env ruby
puts STDIN.read.upcase
Although complete, this is hardly a proper application, which should include options, arguments, help, input
error trapping, etc. [...]
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