Added the -c options in the -h help + cosmetics.

diff --git a/dus.c b/dus.c
index 6ca0067..d1fe1fb 100644 (file)
--- a/dus.c
+++ b/dus.c
@@ -332,17 +332,18 @@ int main(int argc, char **argv) {
 
     case 'h':
       printf("Usage: dus [OPTION]... [FILE]...\n");
-      printf("List files and directories sorted according to their size or content size (the content of the current directory by default).\n");
+      printf("List files and directories sorted according to their size or content size. Take the content of the current directory as argument if none is provided.\n");
       printf("\n");
-      printf("   -d         ignore files and directories starting with a '.'\n");
-      printf("   -f         display size with float values and K, M and G units.\n");
-      printf("   -r         reverse the sorting order.\n");
-      printf("   -t         show the top of the list.\n");
-      printf("   -l <lines> specificy the number of lines to display. The value -1\n");
-      printf("              corresponds to all the lines. By default the command\n");
-      printf("              shows one line less than the height the tty, or all the\n");
-      printf("              lines if the standard output is not a tty.\n");
-      printf("   -h         show this help.\n");
+      printf("   -d          ignore files and directories starting with a '.'\n");
+      printf("   -f          display size with float values and K, M and G units.\n");
+      printf("   -r          reverse the sorting order.\n");
+      printf("   -t          show the top of the list.\n");
+      printf("   -c <cols>   specificy the number of columns to display. The value -1\n");
+      printf("               corresponds to no constraint. By default the command\n");
+      printf("               uses the tty width, or no constraint if the stdout is\n");
+      printf("               not a tty.\n");
+      printf("   -l <lines>  same as -c for number of lines.\n");
+      printf("   -h          show this help.\n");
       printf("\n");
       printf("Report bugs and comments to <francois@fleuret.org>\n");
       exit(EXIT_SUCCESS);