2.9BSD/usr/src/ucb/ex/updates/csh-bsh

: Bourne shell script to convert csh diffdirs to sh diffdirs.
for i
do
	ed - $i << 'xxYYzz'
	1d
	1,$s;'-.-END-.-';'xXyY';
	1,$s;^'xXyY';xXyY;
	w
	q
xxYYzz
done