* archival/gzip.c (gzip_main): Display usage if given multiple files.

This commit is contained in:
Matt Kraai 2002-02-05 19:34:53 +00:00
parent 273af73317
commit 592a3e63ee

View File

@ -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.");