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Why and how you should make your own tools, with some examples. Talk for the Nashville Ruby on Rails Meetup

Why and how you should make your own tools, with some examples. Talk for the Nashville Ruby on Rails Meetup

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  • 1. MAKE YOUR OWN TOOLS ChristopherCotton.com @_cotton 2013-03-07Nashville Ruby on Rails Meetup
  • 2. Why? Repetition Sucks Repetition Sucks Repetition Sucks Repetition Repetition Sucks Sucks Repetition Sucks Repetition Sucks Text Repetition Sucks Repetition Sucksepetition Sucks Repetition Sucks Repetition SucksRepetition Sucks Repetition Suckspetition Sucks Repetition Sucks Repetition Sucks Repetition Sucks Repetition
  • 3. Why?Code Easier than Manual
  • 4. Why? Transfer of Knowledge
  • 5. What?Simple Lines of RubyCommand Line ToolsSimple WebappsApply lots of Regex, Regex, Regex
  • 6. HOW?DOES IT WORK?
  • 7. NOT PRETTY HOW?
  • 8. I BUILT WHAT? HOW?
  • 9. EXAMPLES
  • 10. build.rb Android Building OptionParser.new do |o| o.on(-d, --deploy [DIR], Deploy to HST, can pass in directory) { |dir|$deploy_dir = dir || "#{ENV[HOME]}/Hst/Dropbox" o.on(-r, --release KEYSTORE, Keystore for the relase build) { |key|$keystore = key } o.on(-h, Print out help) { puts o; exit } o.parse!endensure_local_properies(File.join(buildtarget_dir, "facebook"), android_sdk_location)# modify the AndroidManifest.xmlReplacement.file(File.join(buildtarget_dir, "AndroidManifest.xml")) do |rp| rp.buffer.gsub!(/package="#{package_prefix}.#{old_package}"/, "package="#{package_prefix}.#{package}"")end
  • 11. copy_assets.rb Image Asset Copying rsync to copy assets scale for non-retina versions create .h/.m Object C for constantsFile.open(File.join(root_dir, "Primer", "AssetConstants.h"),w) do |file| file.puts "// Do not edit this file, it is auto generated by#{File.basename(__FILE__)}" file.puts "" image_files.each do |image| file.puts "FOUNDATION_EXPORT NSString *constkAsset_#{File.basename(image, File.extname(image))};" endend
  • 12. Mini Server
  • 13. translation helper def trans2(eng, language) File.open("otherresources/#{ARGV[0]}_trans2.txt", "w") do |o| eng.each_with_index.select do |line, index| if line =~ /<key>(.+)</key>/ o.puts("") o.puts("Categoryt#{unquote($1)}") end if line =~ /<string>(.+)</string>/ o.print("t#{unquote($1)}") language[index] =~ /<string>(!?)(.+)</string>/ o.puts("t#{unquote($2)}t#{$1}") end end endend
  • 14. check_assets.rb assets = {}total_dirs = 0Dir.glob(File.join(dropbox, "*")).each do |root_dir|! next unless File.directory?(root_dir)! total_dirs += 1! dir_name = File.basename(root_dir)! Dir.glob(File.join(root_dir, "*")).each do |file|! ! name = File.basename(file)! ! assets[name] = (assets[name] || []).push(dir_name) ! !! end!endassets.each do |key,value|!! puts "#{key} = #{value.inspect}" unless total_dirs == value.lengthend
  • 15. Image Extraction, Composition Spaceward Ho!
  • 16. Share Your Tool Open Source Can Happen Much Later Version Control
  • 17. Q &A