# Copyright (C) 2013-2014 Tanaka Akira  <akr@fsij.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
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#  1. Redistributions of source code must retain the above copyright
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#     products derived from this software without specific prior
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Tb::Cmd.subcommands << 'to-ltsv'

def (Tb::Cmd).op_to_ltsv
  op = OptionParser.new
  op.banner = "Usage: tb to-ltsv [OPTS] [TABLE]\n" +
    "Convert a table to LTSV (Labeled Tab Separated Values)."
  define_common_option(op, "hNo", "--no-pager")
  op
end

def (Tb::Cmd).main_to_ltsv(argv)
  op_to_ltsv.parse!(argv)
  exit_if_help('to-ltsv')
  argv = ['-'] if argv.empty?
  reader = Tb::CatReader.open(argv, Tb::Cmd.opt_N)
  with_output {|out|
    reader.write_to_ltsv(out)
  }
end

