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- #!/usr/bin/ruby
- #
- ## https://rosettacode.org/wiki/Word_wrap
- #
- class String {
- method wrap(width) {
- var txt = self.gsub(/\s+/, " ");
- var len = txt.len;
- var para = [];
- var i = 0;
- while (i < len) {
- var j = (i + width);
- while ((j < len) && (txt.char_at(j) != ' ')) { --j };
- para.append(txt.substr(i, j-i));
- i = j+1;
- };
- return para.join("\n");
- }
- }
- var text = 'aaa bb cc ddddd';
- say text.wrap(6);
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