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authorElliott Hughes <enh@google.com>2019-05-24 13:30:51 -0700
committerRob Landley <rob@landley.net>2019-05-25 20:24:35 -0500
commit2f9d9096aac148a26254801014feaff057b64fa0 (patch)
treeff96e3065fb94a805b57d109a899d5c2f7354377
parent797e55ad9b41d3084095c1422210375e7b24e48f (diff)
downloadtoybox-2f9d9096aac148a26254801014feaff057b64fa0.tar.gz
grep: add --exclude-dir.
Used quite a lot, especially with `--exclude-dir=.git`.
-rwxr-xr-xtests/grep.test8
-rw-r--r--toys/posix/grep.c16
2 files changed, 18 insertions, 6 deletions
diff --git a/tests/grep.test b/tests/grep.test
index 0e0f3c47..dee59924 100755
--- a/tests/grep.test
+++ b/tests/grep.test
@@ -167,3 +167,11 @@ ln -s nope sub/link
testing "" 'grep -r walrus sub 2>/dev/null; echo $?' "1\n" "" ""
rm -rf sub
+# --exclude-dir
+mkdir sub
+mkdir sub/yes
+echo "hello world" > sub/yes/test
+mkdir sub/no
+echo "hello world" > sub/no/test
+testing "--exclude-dir" 'grep --exclude-dir=no -r world sub' "sub/yes/test:hello world\n" "" ""
+rm -rf sub
diff --git a/toys/posix/grep.c b/toys/posix/grep.c
index 5afe38ca..30a98190 100644
--- a/toys/posix/grep.c
+++ b/toys/posix/grep.c
@@ -1,4 +1,4 @@
-/* grep.c - print lines what match given regular expression
+/* grep.c - show lines matching regular expressions
*
* Copyright 2013 CE Strake <strake888 at gmail.com>
*
@@ -10,7 +10,7 @@
* echo hello | grep -f </dev/null
*
-USE_GREP(NEWTOY(grep, "(line-buffered)(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_GREP(NEWTOY(grep, "(line-buffered)(color):;(exclude-dir)*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)))
@@ -31,6 +31,7 @@ config GREP
-r Recurse into subdirectories (defaults FILE to ".")
-M Match filename pattern (--include)
-S Skip filename pattern (--exclude)
+ --exclude-dir=PATTERN Skip directory pattern
-I Ignore binary files
match type:
@@ -67,7 +68,7 @@ config FGREP
GLOBALS(
long m, A, B, C;
- struct arg_list *f, *e, *M, *S;
+ struct arg_list *f, *e, *M, *S, *exclude_dir;
char *color;
char *purple, *cyan, *red, *green, *grey;
@@ -416,14 +417,17 @@ static void parse_regex(void)
static int do_grep_r(struct dirtree *new)
{
+ struct arg_list *al;
char *name;
if (!new->parent) TT.tried++;
if (!dirtree_notdotdot(new)) return 0;
- if (S_ISDIR(new->st.st_mode)) return DIRTREE_RECURSE;
+ if (S_ISDIR(new->st.st_mode)) {
+ for (al = TT.exclude_dir; al; al = al->next)
+ if (!fnmatch(al->arg, new->name, 0)) return 0;
+ return DIRTREE_RECURSE;
+ }
if (TT.S || TT.M) {
- struct arg_list *al;
-
for (al = TT.S; al; al = al->next)
if (!fnmatch(al->arg, new->name, 0)) return 0;