# Example of parameter lists and argument type checking.

greet(bool doprint, int i, string s)
{
	if ${doprint}; then
		while [ ${i} -gt 0 ]; do
			printf '%s\n' "${s}"
			i=$((${i} - 1))
		done
	fi
}

main()
{
	greet true 3 'Hello, world!'
	return 0
}