X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=dus.c;h=336f20137d0988f2584cfd418a3dc8dc614f9d11;hb=2106033257340732a6703f6405dc97a08311e6f7;hp=5f481d7535d4a3a667385c738e40a1c2f759242d;hpb=dff998515d9469572147d445213cad08f12e4cb6;p=dus.git

diff --git a/dus.c b/dus.c
index 5f481d7..336f201 100644
--- a/dus.c
+++ b/dus.c
@@ -371,6 +371,8 @@ void usage(FILE *out) {
   fprintf(out, "Lists files and directories according to their size. The sizes are computed by summing recursively exact file sizes through directories. If a given directory has its name appended with '/', it is not listed, but the elements it contains are. If no files or directories are provided as arguments, the current directory is used as default.\n");
   fprintf(out, "\n");
   /*            01234567890123456789012345678901234567890123456789012345678901234567890123456789*/
+  fprintf(out, "   -h, --help                 show this help.\n");
+  fprintf(out, "   -v, --version              prints the version number and exit\n");
   fprintf(out, "   -d, --ignore-dots          ignore files and directories starting with a '.'\n");
   fprintf(out, "   -f, --fancy                display size with float values and K, M and G\n");
   fprintf(out, "                              units.\n");
@@ -383,7 +385,6 @@ void usage(FILE *out) {
   fprintf(out, "                              if the stdout is not a tty.\n");
   fprintf(out, "   -l <lines>, --nb-lines <lines>\n");
   fprintf(out, "                              same as -c for number of lines.\n");
-  fprintf(out, "   -h, --help                 show this help.\n");
   fprintf(out, "   -m <size>, --size-min <size>\n");
   fprintf(out, "                              set the listed entries minimum size. The size\n");
   fprintf(out, "                              can be specified using the G, M, K, and B units.\n");
@@ -394,6 +395,7 @@ void usage(FILE *out) {
 /**********************************************************************/
 
 static struct option long_options[] = {
+  { "version", no_argument, 0, 'v' },
   { "ignore-dots", no_argument, 0, 'd' },
   { "reverse-order", no_argument, 0, 'r' },
   { "show-top", no_argument, 0, 't' },
@@ -414,10 +416,15 @@ int main(int argc, char **argv) {
 
   setlocale (LC_ALL, "");
 
-  while ((c = getopt_long(argc, argv, "dfrtl:c:m:hd",
+  while ((c = getopt_long(argc, argv, "vdfrtl:c:m:hd",
                           long_options, NULL)) != -1) {
     switch (c) {
 
+    case 'v':
+      printf("dus version %s (%s)\n", VERSION_NUMBER, UNAME);
+      exit(EXIT_SUCCESS);
+      break;
+
     case 'd':
       ignore_dotfiles = 1;
       break;