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-rw-r--r--toys/posix/grep.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/toys/posix/grep.c b/toys/posix/grep.c
index c9a30882..9239614f 100644
--- a/toys/posix/grep.c
+++ b/toys/posix/grep.c
@@ -10,9 +10,9 @@
* echo hello | grep -f </dev/null
*
-USE_GREP(NEWTOY(grep, "(color):;S(exclude)*M(include)*ZzEFHIab(byte-offset)h(no-filename)ino(only-matching)rsvwcl(files-with-matches)q(quiet)(silent)e*f*C#B#A#m#x[!wx][!EFw]", TOYFLAG_BIN))
-USE_EGREP(OLDTOY(egrep, grep, TOYFLAG_BIN))
-USE_FGREP(OLDTOY(fgrep, grep, TOYFLAG_BIN))
+USE_GREP(NEWTOY(grep, "(color):;S(exclude)*M(include)*ZzEFHIab(byte-offset)h(no-filename)ino(only-matching)rsvwcl(files-with-matches)q(quiet)(silent)e*f*C#B#A#m#x[!wx][!EFw]", TOYFLAG_BIN|TOYFLAG_ARGFAIL(2)))
+USE_EGREP(OLDTOY(egrep, grep, TOYFLAG_BIN|TOYFLAG_ARGFAIL(2)))
+USE_FGREP(OLDTOY(fgrep, grep, TOYFLAG_BIN|TOYFLAG_ARGFAIL(2)))
config GREP
bool "grep"
@@ -22,7 +22,7 @@ config GREP
Show lines matching regular expressions. If no -e, first argument is
regular expression to match. With no files (or "-" filename) read stdin.
- Returns 0 if matched, 1 if no match found.
+ Returns 0 if matched, 1 if no match found, 2 for command errors.
-e Regex to match. (May be repeated.)
-f File listing regular expressions to match.