ruby-interpreter

#!/bin/sh
if test -e /usr/bin/ruby; then
	exec /usr/bin/ruby "$@"
elif test -e /usr/bin/ruby2.0; then
	exec /usr/bin/ruby2.0 "$@"
elif test -e /usr/bin/ruby1.9.3; then
	exec /usr/bin/ruby1.9.3 "$@"
elif test -e /usr/bin/ruby1.9.1; then
	exec /usr/bin/ruby1.9.1 "$@"
elif test -e /usr/bin/ruby1.8; then
	exec /usr/bin/ruby1.8 "$@"
else
	exec ruby "$@"
fi