low-level tuning of merge: maintain identity of accesses;
simplified TableFun.join;
#!/usr/bin/env bash
#
# $Id$
#
# polyml-version --- determine Poly/ML runtime system version
echo -n polyml
if [ -x "$ML_HOME/poly" ]; then
"$ML_HOME/poly" -noDisplay -r /dev/null | head -n 1 | \
sed -n 's,^Poly/ML RTS version [^ ]*\(-[^ ]*\).*$,\1,p'
fi