output: --print-header to label columns

1 files changed, 13 insertions, 1 deletions

diff --git a/src/options.c b/src/options.c
index 16d6cf5..9220003 100644
--- a/src/options.c
+++ b/src/options.c
@@ -21,6 +21,7 @@ struct option long_options[] = {
     { "help", no_argument, 0, 0 },
     { "format-string", required_argument, 0, 0 },
     { "long-timestamp", no_argument, 0, 0 },
+    { "print-header", no_argument, 0, 0 },
     { "reverse-sort", no_argument, 0, 0 },
     { "show-hidden-entries", no_argument, 0, 0 },
     { "sort-by", required_argument, 0, 0 },
@@ -30,6 +31,7 @@ struct option long_options[] = {
 
 bool option_sort_reverse_order = false;
 enum esort_type option_sort_type = SORT_BY_SIZE;
+bool option_print_header = false;
 bool option_show_hidden_entries = false;
 bool option_timestamp_long = false;
 char *option_format_string = NULL;
@@ -55,6 +57,8 @@ void usage(char *executable) {
             "define columns to print, details below");
     fprintf(stderr, " %-25s %2s %10s  - %s\n", "--long-timestamp", "-t", "",
             "Print timestamp in long form yyyymmdd HH:MM:SS ZONE");
+    fprintf(stderr, " %-25s %2s %10s  - %s\n", "--print-header", "-H", "",
+            "Print a header above the columns");
     fprintf(stderr, " %-25s %2s %10s  - %s\n", "--reverse-sort", "", "",
             "Sort reversed");
     fprintf(stderr, " %-25s %2s %10s  - %s\n", "--show-hidden-entries", "-v", "",
@@ -108,6 +112,11 @@ void set_option(const char *option_name, char *option_argument) {
         return;
     }
 
+    if (strcmp("print-header", option_name) == 0) {
+        option_print_header = true;
+        return;
+    }
+
     if (strcmp("show-hidden-entries", option_name) == 0) {
         option_show_hidden_entries = true;
         return;
@@ -171,7 +180,7 @@ int parse_arguments(int argc, char **argv) {
 
     while(1) {
         index = 0;
-        c = getopt_long(argc, argv, "htv", long_options, &index);
+        c = getopt_long(argc, argv, "Hhtv", long_options, &index);
 
         if (c == -1) {
             break;
@@ -184,6 +193,9 @@ int parse_arguments(int argc, char **argv) {
             case 'h':
                 usage(exec_name);
                 exit(EXIT_SUCCESS);
+            case 'H':
+                option_print_header = true;
+                break;
             case 't':
                 option_timestamp_long = true;
                 break;