7limit

早期freebsd实现

: Check externals differ over first 7 chars
:	Steven Pemberton, CWI, Amsterdam, steven@mcvax
case $# in
0) echo Usage: $0 executable-files ... ; exit 1;;
*) ;;
esac

trap 'rm -f /tmp/lim1.$$ /tmp/lim2.$$; exit 1' 1 2 15
for f
do
   nm -g $f | sed "s/^............//" >/tmp/lim1.$$
   sed "s/^\(.......\).*/\1/" </tmp/lim1.$$ | uniq -d | sed "s/.*/grep \"^&\" \/tmp\/lim1.$$/" >/tmp/lim2.$$
   if test -s /tmp/lim2.$$
   then
	echo $f:
	sh /tmp/lim2.$$
   fi
done
rm -f /tmp/lim1.$$ /tmp/lim2.$$