This is a version of
rs(1) — reshape a data array
from OpenBSD that compiles on Linux.
        --- Christian Neukirchen, 12jul2013.

License:

 * Copyright (c) 1993
 *      The Regents of the University of California.  All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
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 *    may be used to endorse or promote products derived from this software
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 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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