Here's a code snippet that I posted on Usenet, and which works with bash, and
IMO should also have worked with ksh93, but doesn't with "JM 93t+ 2009-05-01".
while [[ $key != "x" ]]
do
ps -ef
read -r -t 120 -N 1 key
[[ $key == "a" ]] && who -a
done
The read command seems not to get any data, read does not return on input, and
$key is always empty in that context. Though read does return on the timeout.
(I seem to recall to have reported such a read bug before; but got no answers.)
I am on a Linux 2.6.32-27-generic #49-Ubuntu SMP x86_64 GNU/Linux system.
Any pointers appreciated.
Thanks.
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