Make 'grep -l' work
This commit is contained in:
Eric Andersen
@@ -522,6 +522,7 @@
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"\t-H\tprefix output lines with filename where match was found\n" \
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"\t-h\tsuppress the prefixing filename on output\n" \
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"\t-i\tignore case distinctions\n" \
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"\t-l\tlist names of files that match\n" \
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"\t-n\tprint line number with output lines\n" \
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"\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n" \
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"\t-v\tselect non-matching lines\n" \
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@@ -41,6 +41,7 @@ static int print_count_only = 0;
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static int be_quiet = 0;
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static int invert_search = 0;
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static int suppress_err_msgs = 0;
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static int files_that_match = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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extern char *optarg; /* in getopt.h */
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@@ -105,7 +106,7 @@ static void grep_file(FILE *file)
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/* otherwise, keep track of matches and print the matched line */
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nmatches++;
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if (!print_count_only) {
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if (print_count_only==0 && files_that_match==0) {
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#ifdef BB_FEATURE_GREP_CONTEXT
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int prevpos = (curpos == 0) ? lines_before - 1 : curpos - 1;
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@@ -163,11 +164,18 @@ static void grep_file(FILE *file)
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}
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/* special-case post processing */
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if (print_count_only) {
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if (files_that_match) {
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if (nmatches > 0) {
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printf("%s", cur_file);
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if (nmatches)
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printf(":%d", nmatches);
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printf("\n");
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}
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} else if (print_count_only) {
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if (print_filename)
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printf("%s:", cur_file);
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printf("%i\n", nmatches);
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}
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}
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/* remember if we matched */
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if (nmatches != 0)
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@@ -183,7 +191,7 @@ extern int grep_main(int argc, char **argv)
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#endif
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/* do normal option parsing */
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while ((opt = getopt(argc, argv, "iHhnqvsc"
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while ((opt = getopt(argc, argv, "iHhlnqvsc"
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#ifdef BB_FEATURE_GREP_CONTEXT
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"A:B:C:"
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#endif
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@@ -192,6 +200,9 @@ extern int grep_main(int argc, char **argv)
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case 'i':
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ignore_case++;
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break;
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case 'l':
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files_that_match++;
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break;
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case 'H':
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print_filename++;
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break;
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@@ -242,7 +253,7 @@ extern int grep_main(int argc, char **argv)
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show_usage();
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/* sanity check */
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if (print_count_only || be_quiet) {
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if (print_count_only || be_quiet || files_that_match) {
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print_line_num = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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lines_before = 0;
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21
grep.c
21
grep.c
@@ -41,6 +41,7 @@ static int print_count_only = 0;
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static int be_quiet = 0;
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static int invert_search = 0;
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static int suppress_err_msgs = 0;
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static int files_that_match = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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extern char *optarg; /* in getopt.h */
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@@ -105,7 +106,7 @@ static void grep_file(FILE *file)
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/* otherwise, keep track of matches and print the matched line */
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nmatches++;
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if (!print_count_only) {
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if (print_count_only==0 && files_that_match==0) {
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#ifdef BB_FEATURE_GREP_CONTEXT
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int prevpos = (curpos == 0) ? lines_before - 1 : curpos - 1;
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@@ -163,11 +164,18 @@ static void grep_file(FILE *file)
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}
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/* special-case post processing */
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if (print_count_only) {
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if (files_that_match) {
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if (nmatches > 0) {
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printf("%s", cur_file);
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if (nmatches)
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printf(":%d", nmatches);
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printf("\n");
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}
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} else if (print_count_only) {
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if (print_filename)
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printf("%s:", cur_file);
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printf("%i\n", nmatches);
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}
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}
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/* remember if we matched */
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if (nmatches != 0)
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@@ -183,7 +191,7 @@ extern int grep_main(int argc, char **argv)
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#endif
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/* do normal option parsing */
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while ((opt = getopt(argc, argv, "iHhnqvsc"
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while ((opt = getopt(argc, argv, "iHhlnqvsc"
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#ifdef BB_FEATURE_GREP_CONTEXT
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"A:B:C:"
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#endif
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@@ -192,6 +200,9 @@ extern int grep_main(int argc, char **argv)
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case 'i':
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ignore_case++;
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break;
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case 'l':
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files_that_match++;
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break;
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case 'H':
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print_filename++;
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break;
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@@ -242,7 +253,7 @@ extern int grep_main(int argc, char **argv)
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show_usage();
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/* sanity check */
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if (print_count_only || be_quiet) {
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if (print_count_only || be_quiet || files_that_match) {
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print_line_num = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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lines_before = 0;
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@@ -522,6 +522,7 @@
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"\t-H\tprefix output lines with filename where match was found\n" \
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"\t-h\tsuppress the prefixing filename on output\n" \
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"\t-i\tignore case distinctions\n" \
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"\t-l\tlist names of files that match\n" \
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"\t-n\tprint line number with output lines\n" \
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"\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n" \
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"\t-v\tselect non-matching lines\n" \
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1
usage.h
1
usage.h
@@ -522,6 +522,7 @@
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"\t-H\tprefix output lines with filename where match was found\n" \
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"\t-h\tsuppress the prefixing filename on output\n" \
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"\t-i\tignore case distinctions\n" \
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"\t-l\tlist names of files that match\n" \
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"\t-n\tprint line number with output lines\n" \
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"\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n" \
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"\t-v\tselect non-matching lines\n" \
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