Added help message.

diff --git a/shredtree.c b/shredtree.c
index 761b657a0f2afa8b87e6d5e591c54bc9370e49b8..0419e77d3da2ca2579f0a0ac26a6555754b64dd0 100644 (file)
--- a/shredtree.c
+++ b/shredtree.c
@@ -164,7 +164,7 @@ main(int argc, char *argv[])
 
     int status;
     char *dir = ".";
-    while ((status = getopt(argc, argv, "cds:w")) != EOF)
+    while ((status = getopt(argc, argv, "cdhs:w")) != EOF)
     {
        switch (status)
        {
@@ -184,8 +184,16 @@ main(int argc, char *argv[])
            rws = 1;
            break;
 
+       case 'h':
        default:
-           fputs("usage: [-s shredsize] [-w] path", stderr);
+           fprintf(stderr,"usage: shredtree [-c] [-s shredsize] [-w] path\n");
+           fprintf(stderr,"  -c      = check .c, .h, and .txt files only.\n");
+           fprintf(stderr,"  -d      = debug, display chunks in output.\n");
+           fprintf(stderr,"  -h      = help (display this message).\n");
+           fprintf(stderr,"  -s size = set shred size (default %d)\n",
+                   shredsize);
+           fprintf(stderr,"  -w      = remove whitespace.\n");
+           exit(0);
        }
     }