nashorn.nw

<<nashorn.sh>>=
<<sh preamble and set PATH and CLASSPATH>>

module_path=`perl -le'print(join(q{:}, map { m{^(.*) / (?: nashorn-core .* | asm .* ) \.jar$}xi ? $1 : () } split(q{:},$ENV{CLASSPATH})))'`

if command -v rlwrap >/dev/null 2>&1; then
    exec rlwrap <<java run>>
else
    exec <<java run>>
fi
@

<<java run>>=
java --module-path="${module_path}" --add-modules org.openjdk.nashorn \
    org.openjdk.nashorn.tools.Shell --language=es6 "$@"
@