diff options
| author |  Junio C Hamano <junkio@cox.net> | 2006-05-02 15:40:49 -0700 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-05-02 15:46:32 -0700 |
| commit | 2c866cf1c2b2f3a289b7f3c21adb4f05af6626e4 (patch) | |
| tree | 0284b3d8ac473732335f87e28bc8c2f02c5673a6 | |
| parent | builtin-grep: allow more than one patterns. (diff) | |
| download | tgif-2c866cf1c2b2f3a289b7f3c21adb4f05af6626e4.tar.xz | |
builtin-grep: support -c (--count).
Signed-off-by: Junio C Hamano <junkio@cox.net>
| -rw-r--r-- | builtin-grep.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/builtin-grep.c b/builtin-grep.c index b8351200dd..f1800a54d4 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -88,6 +88,7 @@ struct grep_opt { unsigned linenum:1; unsigned invert:1; unsigned name_only:1; + unsigned count:1; int regflags; unsigned pre_context; unsigned post_context; @@ -149,6 +150,7 @@ static int grep_buffer(struct grep_opt *opt, const char *name, unsigned last_hit = 0; unsigned last_shown = 0; const char *hunk_mark = ""; + unsigned count = 0; if (opt->pre_context) prev = xcalloc(opt->pre_context, sizeof(*prev)); @@ -179,12 +181,16 @@ static int grep_buffer(struct grep_opt *opt, const char *name, if (opt->invert) hit = !hit; if (hit) { + count++; if (opt->name_only) { printf("%s\n", name); return 1; } /* Hit at this line. If we haven't shown the * pre-context lines, we would need to show them. + * When asked to do "count", this still show + * the context which is nonsense, but the user + * deserves to get that ;-). */ if (opt->pre_context) { unsigned from; @@ -206,7 +212,8 @@ static int grep_buffer(struct grep_opt *opt, const char *name, } if (last_shown && lno != last_shown + 1) printf(hunk_mark); - show_line(opt, bol, eol, name, lno, ':'); + if (!opt->count) + show_line(opt, bol, eol, name, lno, ':'); last_shown = last_hit = lno; } else if (last_hit && @@ -230,6 +237,13 @@ static int grep_buffer(struct grep_opt *opt, const char *name, left--; lno++; } + /* NEEDSWORK: + * The real "grep -c foo *.c" gives many "bar.c:0" lines, + * which feels mostly useless but sometimes useful. Maybe + * make it another option? For now suppress them. + */ + if (opt->count && count) + printf("%s:%u\n", name, count); return !!last_hit; } @@ -442,6 +456,11 @@ int cmd_grep(int argc, const char **argv, char **envp) opt.name_only = 1; continue; } + if (!strcmp("-c", arg) || + !strcmp("--count", arg)) { + opt.count = 1; + continue; + } if (!strncmp("-A", arg, 2) || !strncmp("-B", arg, 2) || !strncmp("-C", arg, 2) || |