instance method String#truncate
String#truncate([length = 30[, suffix = '...']]) → String
Truncates a string to given length
and appends suffix
to it (indicating
that it is only an excerpt).
Examples
'A random sentence whose length exceeds 30 characters.'.truncate(); // -> 'A random sentence whose len...' 'Some random text'.truncate(); // -> 'Some random text.' 'Some random text'.truncate(10); // -> 'Some ra...' 'Some random text'.truncate(10, ' [...]'); // -> 'Some [...]'