55 lines
1.2 KiB
Ruby
55 lines
1.2 KiB
Ruby
module Imbecile
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module CLI
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USAGE = <<EOF
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Usage: #{$0} [options] <input-file> <output-file>
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Options:
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--log LOG Write log file
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--version Show program version and exit
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-h, --help Show this usage and exit
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EOF
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class << self
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def run(args)
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params = []
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log_file = nil
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i = 0
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while i < args.size
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arg = args[i]
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case arg
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when "--log"
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if i + 1 < args.size
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i += 1
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log_file = args[i]
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end
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when "--version"
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puts "imbecile v#{VERSION}"
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return 0
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when "-h", "--help"
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puts USAGE
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return 0
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when /^-/
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$stderr.puts "Error: unknown option #{arg}"
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return 1
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else
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params << arg
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end
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i += 1
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end
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if params.size != 2
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$stderr.puts "Error: specify input and output files"
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return 1
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end
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unless File.readable?(params[0])
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$stderr.puts "Error: cannot read #{params[0]}"
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return 2
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end
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Imbecile.run(*params, log_file)
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end
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end
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end
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end
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