@(cd ..;(which tclsh >/dev/null && tclsh tests/test_helper.tcl --tags"${TAGS}"--file"${FILE}")||echo"You need to install Tcl in order to run tests.")
@(cd ..;(which tclsh8.5>/dev/null && tclsh tests/test_helper.tcl --tags"${TAGS}"--file"${FILE}")||echo"You need to install Tcl (tclsh8.5) in order to run tests.")