Applied patch from Matt Kraai as per his email:
authorMark Whitley <markw@lineo.com>
Mon, 10 Jul 2000 15:50:26 +0000 (15:50 -0000)
committerMark Whitley <markw@lineo.com>
Mon, 10 Jul 2000 15:50:26 +0000 (15:50 -0000)
commit44735f874437ee4b570a6780c1f879de80e80fdc
tree468f03558df985a32c0631338c7a64c5919da92b
parent999bf72f49a501e47448010c4ddb06dc03ed1612
Applied patch from Matt Kraai as per his email:

However, the case of

grep foo$ file

didn't work, due to a problem with the flags used in regular expression
compilation.  The attached patch fixes this problem.

---patch-------
Index: grep.c
===================================================================
RCS file: /var/cvs/busybox/grep.c,v
retrieving revision 1.30
diff -u -r1.30 grep.c
--- grep.c      2000/07/04 22:17:01     1.30
+++ grep.c      2000/07/10 08:57:04
@@ -141,8 +141,10 @@
        if (argv[optind] == NULL)
                usage(grep_usage);

-       /* compile the regular expression */
-       reflags = REG_NOSUB; /* we're not going to mess with sub-expressions
        */
+       /* compile the regular expression
+        * we're not going to mess with sub-expressions, and we need to
+        * treat newlines right. */
+       reflags = REG_NOSUB | REG_NEWLINE;
        if (ignore_case)
                reflags |= REG_ICASE;
        if ((ret = regcomp(&regex, argv[optind], reflags)) != 0) {
---patch-------

Thanks, Matt, it works great.
findutils/grep.c
grep.c