Running &quot;seq -s, 1 3&quot; on coreutils 8.20 gives the output<div><br></div><div>  1</div><div>  2,3,</div><div><br></div><div>Running &quot;seq -s, 1 3&quot; on coreutils 8.13 gives the output</div><div><br></div><div>

  1,2,3</div><div><br></div><div>I prefer the latter output.</div>