[[rubyoptparse]]
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| + | ==== Ruby OptParse example ==== | ||
| + | An example of command line argument handling including deletion of argument options | ||
| + | |||
| + | <code lang="ruby"> | ||
| + | |||
| + | # wc.rb | ||
| + | |||
| + | require 'optparse' | ||
| + | |||
| + | ProgramOptions = Struct.new(:onlyChars, :onlyWords, :onlyLines) | ||
| + | |||
| + | options = ProgramOptions.new(false, false, false) | ||
| + | |||
| + | opts = OptionParser.new | ||
| + | |||
| + | p options | ||
| + | |||
| + | opts.on("-c","--char") { options.onlyChars = true; ARGV.delete("-c"); ARGV.delete("--char") } | ||
| + | opts.on("-w","--word") { options.onlyWords = true; ARGV.delete("-w"); ARGV.delete("--word") } | ||
| + | opts.on("-l","--line") { options.onlyLines = true; ARGV.delete("-l"); ARGV.delete("--line") } | ||
| + | |||
| + | opts.parse(ARGV) | ||
| + | |||
| + | p options | ||
| + | p ARGV | ||
| + | </code> | ||
| + | |||
| + | ---- | ||
| + | * [[rubyinfo|Back to Ruby]] | ||
