You are correct, my apologies! I was still using the default seq, not gseq installed by brew! How embarrassing. Thanks for the help! Thad On 23 October 2014 15:29, Pádraig Brady wrote: > On 10/23/2014 03:15 PM, Thaddaeus Frogley wrote: > > Hi Padraig, > > > > You say "quite a while". > > > > This issue was found in: coreutils-8.23_1 > > Oh, it should have been fixed from release 8.20 (2012-10-23) > > > > > Installed on OS X using brew. > > > > Pulling the current source I can see there have been several releases > since then, but a git diff / log doesn't seem to produce any relevant > changes, i.e.: > > > > git diff v8.23.. -- src/seq.c > > > > > > Are you *sure* that this range in particular doesn't reproduce in the > latest? > > Yes. That range triggers the fast string manipulation code here. > It's very surprising it doesn't there. > > I see that seq is on OS X: > > https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/seq.1.html > So please ensure you're not using the native seq, and rather gseq > > If still an issue, you'd need to debug it further there > as I've not got access to OS X here. > > thanks, > Pádraig. > >