Some badly written software will ignore nsswitch.conf(5) [0] and query the DNS instead of looking up in the hosts(5) file for some hosts that are designed there

Some badly written software will ignore nsswitch.conf(5) [0] and query the DNS instead of looking up in the hosts(5) file for some hosts that are designed there (redis). sort(1)'s `-un` will truncate and delete input if it's not purely numerical [1]. [0] https://git.sr.ht/~moviuro/moviuro.bin/commit/d9cdf0556bb005e6b00b193259a6056e59df4d2c https://git.sr.ht/~moviuro/moviuro.bin/commit/d9cdf0556bb005... [1] https://git.sr.ht/~moviuro/moviuro.bin/commit/0c83ac72d9179842aae1087566dd8a35913120c4 https://git.sr.ht/~moviuro/moviuro.bin/commit/0c83ac72d91798...