dummy json syntax check wrapper

j

#!/usr/bin/env ruby

require 'rubygems'
require 'json'
require 'optparse'

o = {}

OptionParser.new do |opts|
  opts.on("-h", "--help", "help") { |h| o[:help] = true }
  opts.on("-v", "--verbose", "verbose") { |h| o[:verbose] = true }
end.parse!

puts "usage: j file.json file.json .. file.json [-v prints json file]" if o[:help]

if ARGV.length == 0
  puts "\nmissing file, usage: j <file.json>"
  exit 0
end

ARGV.each { |file|

if file
  unless File.exists?(file)
    puts "\nfile=#{file}, file does not exists"
    exit 0
  end
end

begin
  raw = File.read(file)
  json = JSON.parse(raw)
  json_pretty = JSON.pretty_generate(json)
  if o[:verbose]
    puts json_pretty
    puts "\n\n#{file} Parsed: Ok\n"
  else
    puts "\n#{file} Parsed: Ok\n"
  end
rescue => error
  puts "\n#{file}, Parsing Failed"
  puts error.class
  puts error.message
  puts error.backtrace
end
puts "-----"
}