On Thu, 24 Sep 2020 10:38:55 -0400 Greg Wooledge <wool...@eeg.ccf.org> wrote:
> In dash, RANDOM does nothing; it's just an empty variable. And as it > turns out, dash treats that as a zero. > > unicorn:~$ dash > $ echo $((1 + RANDOM % 1200)) > 1 > $ echo $((1 + % 1200)) > dash: 2: arithmetic expression: expecting primary: "1 + % 1200" > $ echo $((1 + XYZZY % 1200)) > 1 > > So you're just doing "sleep 1" every time. Ah, thank you. Yup. Which is weird, because it worked when I first wrote that many years ago. I may or may not remove that part of the line. But I will move toward more use of unattended-upgrades, which handles the original problem differently. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/