On Sun, 27 Aug 2017, Thomas Levine <_...@thomaslevine.com> wrote: > * mktemp is not portable; you could use something like the date and > process identifier ($$) to create a portable temporary file.
This is very wrong advice, please don't do this. Current timestamp is as guessable as it gets. PIDs on most systems are limited to 5 digits. All very easy to bruteforce. If you're concerned with the availability of mktemp, port it. <3,K.
