--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libcommon/script.c	Sun Mar 14 07:34:35 2021 +0000
@@ -0,0 +1,39 @@
+/*
+ * This module implements the exec command, which is our scripting facility.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+extern FILE *open_script_input_file();
+
+cmd_exec(argc, argv)
+	char **argv;
+{
+	FILE *f;
+	char linebuf[512], *cp;
+	int lineno, retval = 0;
+
+	f = open_script_input_file(argv[1]);
+	if (!f) {
+		perror(argv[1]);
+		return(-1);
+	}
+	for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
+		cp = index(linebuf, '\n');
+		if (!cp) {
+			fprintf(stderr, "%s line %d: missing newline\n",
+				argv[1], lineno);
+			fclose(f);
+			return(-1);
+		}
+		*cp = '\0';
+		retval = simtool_dispatch_cmd(linebuf, 1);
+		if (retval)
+			break;
+	}
+	fclose(f);
+	return(retval);
+}