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24 lines
458 B
Ruby
Executable File
24 lines
458 B
Ruby
Executable File
#! /usr/bin/env ruby
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require 'json'
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if ARGV.size < 1
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STDERR.puts "No input argument given."
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exit 1
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end
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if !File.readable?(ARGV[0])
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STDERR.puts "\"#{ARGV[0]}\" is not readable."
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exit 1
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end
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hash = JSON.parse(File.read(ARGV[0]))
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if ARGV[1].nil?
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STDOUT.puts JSON.pretty_generate(hash)
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elsif !File.exist?(ARGV[1])
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File.open(ARGV[1], "w") { |f| f.write(JSON.pretty_generate(hash)) }
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else
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STDERR.puts "\"#{ARGV[1]}\" already exists."
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exit 1
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end
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