On 5/28/20 6:41 PM, Rob Landley wrote: >> If you support job control IDs, you're already supporting `%' as a special >> prefix. What's the difference? > > I meant we've resolved that % is one prefix and %? is another prefix with > similar but distinct meaning. I.E. %? is, itself, a special prefix.
I suppose. But it's the `%' that marks the argument as a job identifier. The rest of the string is what's interpreted. >> If you're worried about leaving stray background jobs around, end your >> test script with `wait'. > > Which will hang if the background job is hung. It's pretty easy to send yourself a signal from a subshell after a period of time as a cheap alarm. > >> But you can always save a background job's pid >> by saving $!, so you can always have a handle to the background jobs you >> create. > > In theory jobs -p should do it, in practice I've hit background-from-subshell > cases where it wasn't in the list... Sure, you can defeat anything. I've done stuff like that myself to avoid processes being killed by the shell at exit. > >> Bash-5.1 will change the way it does $SECONDS to use gettimeofday(), btw. > > Meanwhile, I'm fielding: > > https://github.com/landley/toybox/pull/210 Ironically, gettimeofday() is more portable. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/ _______________________________________________ Toybox mailing list Toybox@lists.landley.net http://lists.landley.net/listinfo.cgi/toybox-landley.net