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-rw-r--r--archival/gzip.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/archival/gzip.c b/archival/gzip.c
index 436393ed5..732a83e90 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -1246,6 +1246,9 @@ int gzip_main(int argc, char **argv)
tostdout = 1;
}
+ if (argc - optind > 1)
+ show_usage ();
+
if (isatty(fileno(stdout)) && tostdout==1 && force==0)
error_msg_and_die( "compressed data not written to terminal. Use -f to force it.");