Contents

#!/usr/bin/env ruby

require 'optparse'
require 'geohydra'

def do_file fn, flags
  if fn =~ %r{^(.*)\.(shp|tif)\.xml$}i
    puts "Processing #{fn} for JPEG" if flags[:verbose]
    GeoHydra::Transform.extract_thumbnail fn, File.join(File.dirname(fn), 'preview.jpg')
  else
    raise OptionParser::InvalidOption, "File <#{fn}> is not ESRI metadata format"
  end
end

flags = {
  :datadir => '.',
  :recurse => false,
  :verbose => false
}

optparse = OptionParser.new do |opts|
  opts.banner = <<EOM
Usage: #{File.basename(__FILE__)} [options] [fn [fn...]]
EOM
  opts.on("-d", "--dir DIR", "Process all files in DIR (default: #{flags[:datadir]})") do |v|
    flags[:datadir] = v
  end
  opts.on("-r", "--recursive", "Process all files recurvisely") do |v|
    flags[:recurse] = true
  end
  
  opts.on("-v", "--verbose", "Run verbosely") do |v|
    flags[:verbose] = true
  end
end

begin
  optparse.parse!  
  if ARGV.empty?
    raise OptionParser::InvalidOption, flags[:datadir] + ' not a directory' unless File.directory?(flags[:datadir])
    Dir.glob(flags[:datadir] + (flags[:recurse] ? '/**/*.shp.xml' : '/*.shp.xml')).each {|fn| do_file fn, flags }
  else
    ARGV.each {|fn| do_file fn, flags }
  end
rescue OptionParser::InvalidOption, OptionParser::MissingArgument => e
  $stderr.puts e
  $stderr.puts optparse
  exit(-1)
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
geohydra-0.3.1	bin/extract_thumbnail.rb
geohydra-0.3	bin/extract_thumbnail.rb