--- bin/nastran.orig	2016-09-08 21:25:12 UTC
+++ bin/nastran
@@ -1,6 +1,7 @@
 #!/bin/csh
 unalias rm
 clear
+set NASTHOME=%%NASTHOME%%
 set rfdir=$NASTHOME/rf
 set nasexec=$NASTHOME/bin/nastrn.exe
 set naschk=$NASTHOME/bin/chkfil.exe