readliroonga.rb

#!/usr/bin/env ruby

require "readline"
require "tempfile"

if ARGV.size < 2
  $stderr.puts("Usage: #{$0} GROONGA_EXE DB_PATH")
  exit(1)
end

groonga_exe = ARGV.shift
db_path = ARGV.shift
basename = File.basename(db_path)

while line = Readline.readline("groonga(#{basename})> ", true)
  pretty_print = false
  case line
  when "quit"
    break
  when /\App /
    pretty_print = true
    line = line[3..-1]
  end
  Tempfile.open(['readliroonga', '.grn']) do |file|
    file.write(line)
    file.flush
    response = `#{groonga_exe} #{db_path} < #{file.path}`
    if pretty_print
      require "json"
      puts jj(JSON.parse!(response))
    else
      puts response
    end
  end
end

puts