Do not use envsubst

Scripts/developer_scripts/create_cgal_test

@@ -34,7 +34,7 @@ while [ $1 ]; do
             DO_RUN=""
             shift; continue
         ;;
-        *) 
+        *)
             echo "Unknown option: $1"
             usage
         ;;
@@ -129,7 +129,7 @@ compile_and_run()
       rm -f \$OUTPUTFILE
       COMMAND="./\$1"
       if [ -f \$1.cmd ] ; then
-        COMMAND="\$COMMAND \`envsubst < \$1.cmd\`"
+        COMMAND="\$COMMAND `eval echo \$(cat \$1.cmd)`"
       fi
       if [ -f \$1.cin ] ; then
         COMMAND="cat \$1.cin | \$COMMAND"