2 echo Ok | { sleep 0.1; read -t 0 reply; echo ">$reply<[$?]"; }
4 # This would not be deterministic: returns 0 "data exists" if EOF is seen
5 # (true terminated) - because EOF is considered to be data (read will not block),
6 # else returns 1 "no data".
8 #true | { read -t 0 reply; echo ">$reply<[$?]"; }
11 true | { sleep 0.1; read -t 0 reply; echo ">$reply<[$?]"; }
14 sleep 0.2 | { read -p IGNORED_PROMPT -t 0 reply; echo ">$reply<[$?]"; }