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-rw-r--r--coreutils/shred.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/coreutils/shred.c b/coreutils/shred.c
index 8f3d9c5c9..69fb3e8cc 100644
--- a/coreutils/shred.c
+++ b/coreutils/shred.c
@@ -15,7 +15,7 @@
//kbuild:lib-$(CONFIG_SHRED) += shred.o
//usage:#define shred_trivial_usage
-//usage: "FILE..."
+//usage: "[-fuz] [-n N] FILE..."
//usage:#define shred_full_usage "\n\n"
//usage: "Overwrite/delete FILEs\n"
//usage: "\n -f Chmod to ensure writability"
@@ -54,16 +54,13 @@ int shred_main(int argc UNUSED_PARAM, char **argv)
OPT_x = (1 << 5),
};
- opt = getopt32(argv, "fuzn:+vx", &num_iter);
+ opt = getopt32(argv, "^" "fuzn:+vx" "\0" "-1"/*min 1 arg*/, &num_iter);
argv += optind;
zero_fd = xopen("/dev/zero", O_RDONLY);
if (num_iter != 0)
rand_fd = xopen("/dev/urandom", O_RDONLY);
- if (!*argv)
- bb_show_usage();
-
for (;;) {
struct stat sb;
const char *fname;