+# Test whether this shell is capable of parameter substring processing.
+( option='a/b'; : ${option#*/} ) 2>/dev/null || {
+ echo "
+The shell interpreting '$0' is lacking some required features.
+
+To work around this problem you may try to execute:
+
+ ksh $0 $*
+ or
+ bash $0 $*
+"
+ exit 1
+}
+