On 2/11/13 1:59 PM, Alan Mackenzie wrote: > Hi, bug-bash. > > From a bash script, I'd like to be able to start several subtasks and > react to any one of them completing. I don't think I can do this with > the current bash. The `wait' function either waits on a specified subtask > to finish, or for _all_ subtasks to finish. > > Am I mistaken about this perceived lack? If not, would it be possible > to add this functionality into bash?
Right now, you have to build your own using a SIGCHLD trap. The next version of bash will have `wait -n', which will wait for the next process to change state. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/