scripts/cfg2files.sh - third_party/toybox - Git at Google

 #!/bin/bash

 # cat .config into this to get a list of .c files.

 # Grab the XXX part of all CONFIG_XXX entries, removing everything after the
 # second underline.  Sort the list, keep only one of each entry, convert
 # to lower case, remove toybox itself from the list (as that indicates
 # global symbols).

 sed -nre 's/^CONFIG_(.*)=y/\1/;t skip;b;:skip;s/_.*//;p' \
 	| sort -u | tr A-Z a-z | grep -v '^toybox$'
	#!/bin/bash

	# cat .config into this to get a list of .c files.

	# Grab the XXX part of all CONFIG_XXX entries, removing everything after the
	# second underline. Sort the list, keep only one of each entry, convert
	# to lower case, remove toybox itself from the list (as that indicates
	# global symbols).

	sed -nre 's/^CONFIG_(.)=y/\1/;t skip;b;:skip;s/_.//;p' \
	\| sort -u \| tr A-Z a-z \| grep -v '^toybox$'