Method join

ij/src/main/java/ij/macro/Functions.java:5178–5186

()

	}

	private String join() {
		interp.getLeftParen();
		String delimiter = ", ";
		Variable[] arr = getArray();
		if (interp.nextToken()==',')
			delimiter = getNextString();
		interp.getRightParen();
		return joinArray(arr, delimiter).toString();
	}

	private StringBuilder joinArray(Variable[] a, String delimiter) {
		int len = a.length;