src/main/java/com/github/ricksbrown/cowsay/CowFace.java
public final void setEyes(final String eyes) {
		if (eyes != null && eyes.length() > 0) {
			if (eyes.length() > 2) {
				this.eyes = eyes.substring(0, 2);
			} else {
				this.eyes = eyes;
			}
		}
	}
public final void setEyes(final String eyes) {
		if (eyes != null && eyes.length() > 0) {
			if (eyes.length() > 2) {
				this.eyes = eyes.substring(0, 2);
			} else {
				this.eyes = eyes;
			}
		}
	}
Set custom cow eyes.
@param eyes The eyes to use - if more than two characters long the first two will be used.