diff --git a/Mark Williams MWC v4/tmp/foo.txt b/Mark Williams MWC v4/TMP/foo.txt
similarity index 100%
rename from Mark Williams MWC v4/tmp/foo.txt
rename to Mark Williams MWC v4/TMP/foo.txt
diff --git a/Mark Williams MWC v4/code/m.sh b/Mark Williams MWC v4/code/m.sh
new file mode 100644
index 0000000..1cf8d80
--- /dev/null
+++ b/Mark Williams MWC v4/code/m.sh	
@@ -0,0 +1,8 @@
+str=$(tr '[a-z]' '[A-Z]' <<< $1)
+
+rm $str.OBJ 2>/dev/null
+rm $str.EXE 2>/dev/null
+
+ntvdm -u -r:.. "-e:CCHEAD=@C:\lib\cc -f -DMWC -VOPT" ..\\bin\\cc $str.c -lm
+
+rm $str.OBJ 2>/dev/null