+ Add the SCRIPT environmental variable to the sub-shell. Its value is

the name of the typescript file.
+ Add the 'command' argument (if supplied on the command line) to the
typescript file.  This creates a more complete typescript when invoked
this way - more equal to invoking script without supplying the 'command'
argument.

usr.bin/script/script.1

@@ -117,6 +117,19 @@ The results are meant to emulate a hardcopy terminal, not an addressable one.
 The following environment variable is utilized by
 .Nm :
 .Bl -tag -width SHELL
+.It Ev SCRIPT
+The
+.Ev SCRIPT
+environment variable is added to the sub-shell.
+If
+.Ev SCRIPT
+already existed in the users environment,
+its value is overwritten within the sub-shell.
+The value of
+.Ev SCRIPT
+is the name of the
+.Ar typescript
+file.
 .It Ev SHELL
 If the variable
 .Ev SHELL

usr.bin/script/script.c

@@ -235,14 +235,21 @@ static void
 doshell(char **av)
 {
 	const char *shell;
+	int k;
 
 	shell = getenv("SHELL");
 	if (shell == NULL)
 		shell = _PATH_BSHELL;
 
+	if (av[0])
+		for (k = 0 ; av[k] ; ++k)
+			fprintf(fscript, "%s%s", k ? " " : "", av[k]);
+		fprintf(fscript, "\r\n");
+
 	(void)close(master);
 	(void)fclose(fscript);
 	login_tty(slave);
+	setenv("SCRIPT", fname, 1);
 	if (av[0]) {
 		execvp(av[0], av);
 		warn("%s", av[0]);