avoid using ~ or

run-medley

@@ -16,7 +16,7 @@ inferred_medleydir=false
 
 if [ -z "$MEDLEYDIR" ] ; then
     # the user is usually running this script from medley, so let's try that
-    export MEDLEYDIR="`pwd`"
+    export MEDLEYDIR=${PWD}
     inferred_medleydir=true
 fi
 
@@ -29,13 +29,14 @@ if [ ! -d "$MEDLEYDIR/loadups" ] ; then
     exit 1
 fi
 
-# set defaults
+# set defaults, overridden if suppplied explicitly
+
 prog="lde"
 geometry="-g 1440x900"
 screensize="-sc 1440x900"
 passthrough_args=""
 
-export LDEDESTSYSOUT=~/lisp.virtualmem
+export LDEDESTSYSOUT=${HOME}/lisp.virtualmem
 export LDEINIT="$MEDLEYDIR/greetfiles/SIMPLE-INIT"
 export LDEKBDTYPE=x