Word wrap: Difference between revisions

=={{header|ed}}==

Regex-matching the (greedy) 0-79 chunks of text and putting newlines after them. A 72, 60, or any other wrap column can be achieved by tweaking the <tt>79</tt> constant in the code.

<syntaxhighlight lang="sed">

H

g/.*/s/(.{0,79})([ ]|$)/\1\

/g

,p

Q

</syntaxhighlight>

{{out}}

<pre>$ cat word-wrap-80.ed | ed -lEGs word-wrap.input

In olden times when wishing still helped one, there lived a king whose

daughters were all beautiful, but the youngest was so beautiful that the sun

itself, which has seen so much, was astonished whenever it shone in her face.

Close by the king's castle lay a great dark forest, and under an old lime-tree

in the forest was a well, and when the day was very warm, the king's child went

out into the forest and sat down by the side of the cool fountain, and when she

was bored she took a golden ball, and threw it up on high and caught it, and

this ball was her favorite plaything.</pre>