Generate a list of CoreFoundation, etc. classes

gistfile1.sh

find -E /System/Library/Frameworks/{Foundation,Cocoa,QuartzCore}.framework \
     -iregex '.*/(ns|ca).+\.h$' \
     -exec awk '/@interface.+:/ {
                   cls = $2;
                   if (cls ~ /:$/) {
                       cls = substr(cls, 1, length(cls)-1)
                   }
                   print cls;
                }' {} \;