xtm-utils/bin/xtmjoin

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#!/usr/bin/ruby
require 'optparse'
require 'rubygems'
require 'bindata'
require 'xtmfile/xtmheader'
class XtmJoin
class XtmJoinArgumentError < ArgumentError ; end
attr_reader :opts
def initialize args
@args = []
@input_xtm = nil
parse_command_line args
end
def parse_command_line args
@args = args.clone
@opts = OptionParser.new do |opts|
opts.banner = "Usage: #{File.basename $0} [options]\n"
opts.separator ""
opts.separator "Mandatory options"
opts.on("-i", "--input FILE", "Input XTM file") do |r|
@input_xtm = r
end
opts.separator ""
opts.separator "General options:"
opts.on("-h", "--help", "Show this help") do |h|
@help = h
end
opts.on("-v", "--verbose", "Show warnings too") do |v|
@verbose = v
end
opts.separator ""
end
end
def validate!
@opts.parse!
raise XtmJoinArgumentError, "No input XTM file specified!" if @input_xtm.nil?
end
def run
validate!
output_file = nil
# initial file
in_xtm = File.open( @input_xtm, "rb" )
header = XtmHeader::read in_xtm
output_file = header.filename_str
puts "Writing data to %s" % output_file
# FIXME: prevent overwriting
out_xtm = File.open( output_file, "wb" )
while not in_xtm.eof?
buffer = in_xtm.read 1024
out_xtm.write buffer
end
# remaining files
end
def self.main args
xj = nil
begin
xj = XtmJoin.new args
xj.run
exit 0
rescue XtmJoinArgumentError => e
STDERR.puts "%s" % xj.opts
STDERR.puts "error: %s" % e.message
exit 1
rescue SystemExit => e
raise e
rescue Exception => e
STDERR.puts "error: %s" % e.message
exit 1
end
end
end
XtmJoin.main ARGV