tw sixel extension(https://bitbucket.org/arakiken/tw/commits/branch/sixel) for OS X

tw-sixel.diff

diff -r fd6fcb6dd914 lib/tw/app/render.rb
--- a/lib/tw/app/render.rb  Mon Aug 19 20:09:42 2013 +0900
+++ b/lib/tw/app/render.rb	Tue Aug 20 01:03:00 2013 +0900
@@ -48,7 +48,7 @@
         imgfile = cachedir + "/#{m.user}"
         until FileTest.exist?(imgfile) do
           img_url = Twitter.user(m.user).profile_image_url
-	  system("curl -k -s #{img_url} | convert -resize #{iconsize}x#{iconsize} - -colors 256 ppm:- | ppmtosixel 2>/dev/null | tr -d '\n' > #{imgfile}")
+	  system("curl -k -s #{img_url} | convert -resize #{iconsize}x#{iconsize} - -colors 256 ppm:- | ppmtosixel 2>/dev/null | LC_ALL=C tr -d '\n' > #{imgfile}")
         end
 	File::open(imgfile) {|f|
           f.each {|line| print line}