On 2019-10-21 08:28, Rasmus Borup Hansen wrote: > [...] e.g. this hangs on my machine: > > mkfifo fifo && seq -s , 20000 | tee fifo | join -j2 - fifo | paste -s && rm > fifo
okay, then better use a regular file, and join that with itself: $ seq -s , 20000 > x $ join -j2 x x | paste -s 1,2,3,4,5,6,[...] Have a nice day, Berny
