Added support for the -c (count matches) option. Made it so it works just like

GNU grep.

diff --git a/findutils/grep.c b/findutils/grep.c
index a2c07c5..10ad76c 100644 (file)
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -35,6 +35,7 @@ extern int errno;  /* for use with strerror() */
 static int ignore_case       = 0;
 static int print_filename    = 0;
 static int print_line_num    = 0;
+static int print_count_only  = 0;
 static int be_quiet          = 0;
 static int invert_search     = 0;
 static int suppress_err_msgs = 0;
@@ -75,14 +76,29 @@ static void grep_file(FILE *file)
 
                        nmatches++;
 
-                       print_matched_line(line, linenum);
+                       if (!print_count_only)
+                               print_matched_line(line, linenum);
 
                } else if (ret == REG_NOMATCH && invert_search) {
-                       print_matched_line(line, linenum);
+
+                       nmatches++;
+                       
+                       if (!print_count_only)
+                               print_matched_line(line, linenum);
                }
 
                free(line);
        }
+
+       /* special-case post processing */
+       if (print_count_only) {
+               if (print_filename)
+                       printf("%s:", cur_file);
+               printf("%i\n", nmatches);
+       }
+
+       /* reset number of matches found to zero */
+       nmatches = 0;
 }
 
 extern int grep_main(int argc, char **argv)
@@ -95,7 +111,7 @@ extern int grep_main(int argc, char **argv)
                usage(grep_usage);
 
        /* do normal option parsing */
-       while ((opt = getopt(argc, argv, "iHhnqvs")) > 0) {
+       while ((opt = getopt(argc, argv, "iHhnqvsc")) > 0) {
                switch (opt) {
                        case 'i':
                                ignore_case++;
@@ -118,6 +134,9 @@ extern int grep_main(int argc, char **argv)
                        case 's':
                                suppress_err_msgs++;
                                break;
+                       case 'c':
+                               print_count_only++;
+                               break;
                }
        }
 

diff --git a/grep.c b/grep.c
index a2c07c5..10ad76c 100644 (file)
--- a/grep.c
+++ b/grep.c
@@ -35,6 +35,7 @@ extern int errno;  /* for use with strerror() */
 static int ignore_case       = 0;
 static int print_filename    = 0;
 static int print_line_num    = 0;
+static int print_count_only  = 0;
 static int be_quiet          = 0;
 static int invert_search     = 0;
 static int suppress_err_msgs = 0;
@@ -75,14 +76,29 @@ static void grep_file(FILE *file)
 
                        nmatches++;
 
-                       print_matched_line(line, linenum);
+                       if (!print_count_only)
+                               print_matched_line(line, linenum);
 
                } else if (ret == REG_NOMATCH && invert_search) {
-                       print_matched_line(line, linenum);
+
+                       nmatches++;
+                       
+                       if (!print_count_only)
+                               print_matched_line(line, linenum);
                }
 
                free(line);
        }
+
+       /* special-case post processing */
+       if (print_count_only) {
+               if (print_filename)
+                       printf("%s:", cur_file);
+               printf("%i\n", nmatches);
+       }
+
+       /* reset number of matches found to zero */
+       nmatches = 0;
 }
 
 extern int grep_main(int argc, char **argv)
@@ -95,7 +111,7 @@ extern int grep_main(int argc, char **argv)
                usage(grep_usage);
 
        /* do normal option parsing */
-       while ((opt = getopt(argc, argv, "iHhnqvs")) > 0) {
+       while ((opt = getopt(argc, argv, "iHhnqvsc")) > 0) {
                switch (opt) {
                        case 'i':
                                ignore_case++;
@@ -118,6 +134,9 @@ extern int grep_main(int argc, char **argv)
                        case 's':
                                suppress_err_msgs++;
                                break;
+                       case 'c':
+                               print_count_only++;
+                               break;
                }
        }