It turns out that my bug-report was incorrect; busybox-cvs *does*
support grep -E and grep -F; it just doesn't list them in --help.
The included patch modifies the helptext to list -E and -F.
Regards: David Weinehall
--- busybox-cvs-20040623/include/usage.h.old 2005-05-01 19:10:49.000000000
+0300
+++ busybox-cvs-20040623/include/usage.h 2005-05-01 19:16:36.000000000
+0300
@@ -785,9 +785,12 @@
#define grep_trivial_usage \
"[-ihHnqvs] PATTERN [FILEs...]"
+#ifdef CONFIG_FEATURE_GREP_EGREP_ALIAS
#define grep_full_usage \
"Search for PATTERN in each FILE or standard input.\n\n" \
"Options:\n" \
+ "\t-E\tPATTERN is an extended regular expression\n" \
+ "\t-F\tPATTERN is a set of newline-separated strings\n" \
"\t-H\tprefix output lines with filename where match was found\n" \
"\t-h\tsuppress the prefixing filename on output\n" \
"\t-i\tignore case distinctions\n" \
@@ -796,6 +799,20 @@
"\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n" \
"\t-v\tselect non-matching lines\n" \
"\t-s\tsuppress file open/read error messages"
+#else
+#define grep_full_usage \
+ "Search for PATTERN in each FILE or standard input.\n\n" \
+ "Options:\n" \
+ "\t-F\tPATTERN is a set of newline-separated strings\n" \
+ "\t-H\tprefix output lines with filename where match was found\n" \
+ "\t-h\tsuppress the prefixing filename on output\n" \
+ "\t-i\tignore case distinctions\n" \
+ "\t-l\tlist names of files that match\n" \
+ "\t-n\tprint line number with output lines\n" \
+ "\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n" \
+ "\t-v\tselect non-matching lines\n" \
+ "\t-s\tsuppress file open/read error messages"
+#endif
#define grep_example_usage \
"$ grep root /etc/passwd\n" \
"root:x:0:0:root:/root:/bin/bash\n" \
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