web-cpan / arcto / arcto

#!/usr/bin/env ruby

require 'getoptlong'
require 'rdoc/usage'

opts = GetoptLong.new(
    [ '--help', '-h', GetoptLong::NO_ARGUMENT ]
)

opts.each do |opt, arg|
    case opt
        when '--help'
          RDoc::usage
    end
end

ARGV.each do |fn_iter|
    fn = "" + fn_iter
    if (not File.file?(fn)) then
        next 
    end

    orig_fn = "" + fn
    if (fn.sub!(/\.gz\z/,'')) then
        s = File.stat(orig_fn)
        system("gunzip", orig_fn)
        system("xz", fn)
        File.utime(s.atime, s.mtime, "#{fn}.xz")
    end
end
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