--- sash-3.4/sash.c.oot	Mon Jan 10 10:31:43 2000
+++ sash-3.4/sash.c	Mon Jan 10 10:34:52 2000
@@ -452,6 +452,24 @@
 		}
 	}
 
+	/* A single argument is allowed, and it must be a filename which
+	   provides stdin. This allows #! usage. */
+	if (argc) {
+		int fd;
+
+		fd = open(argv[0], O_RDONLY);
+		if (fd < 0) {
+			fprintf(stderr, "Error opening %s: %s\n", argv[0],
+				strerror(errno));
+			return 1;
+		}
+
+		dup2(fd, 0);
+		close(fd);
+
+		argc--, argv++;
+	}
+
 	/*
 	 * No more arguments are allowed.
 	 */
@@ -1241,7 +1259,7 @@
 {
 	fprintf(stderr, "Stand-alone shell (version %s)\n", version);
 	fprintf(stderr, "\n");
-	fprintf(stderr, "Usage: sash [-a] [-q] [-c command] [-p prompt]\n");
+	fprintf(stderr, "Usage: sash [-a] [-q] [-c command] [-p prompt] [script]\n");
 
 	exit(1);
 }
--- sash-3.4/sash.1.oot	Mon Jan 10 10:34:58 2000
+++ sash-3.4/sash.1	Mon Jan 10 10:37:22 2000
@@ -2,7 +2,7 @@
 .SH NAME
 sash \- stand-alone shell with built-in commands
 .SH SYNOPSYS
-.B sash [-c command] [-p prompt] [-q] [-a]
+.B sash [-c command] [-p prompt] [-q] [-a] [script]
 .SH DESCRIPTION
 The
 .B sash
@@ -469,6 +469,12 @@
 The -a option creates aliases for the built-in commands so
 that they replace the corresponding standard commands.
 This is the same result as if the 'aliasall' command was used.
+
+A file name may be provided as the last argument to sash, in which case
+sash's standard input is read from that file. This allows #! scripts
+to use sash as their script interpretor. Be aware that sash does not provide
+most normal bourne-shell programming features, however.
+
 .SH SYSTEM RECOVERY
 This section contains some useful information about using
 .B sash