if [ -z "$2" ]; then echo echo "This script adds lines in source file to target file in all CHDK " echo "platform sub directories which have a non-zero target file:" echo " cat source >> platform/*/sub/*/target" echo "Use it when you have found a new function or RAM address for a single platform" echo "to prevent building problems with other platforms, and to ease porting" echo "your feature to other models. Run in CHDK source tree root." echo echo "usage: add_to_all_subs.sh target source" echo echo "example:" echo " place a dummy stub in stubfile and a dummy function in libfile, then" echo " add_to_all_subs.sh stubs_entry_2.S stubfile" echo " add_to_all_subs.sh lib.c libfile" echo echo "stubfile contains the code to add to the end of all stubs_en