Chris F.A. Johnson wrote: > (Using 4.0.28(2)-release on Linux and 4.0.24(0)-release on FreeBSD.) > > Given this script: > > delay=0 > read -sn1 v > read -sn1 -t "$delay" w > read -sn1 -t "$delay" x > > if I press the up arrow, which generates '\e[A', I would have > expected $w to contain '[' and $x to contain 'A'. However, they > are empty. They do pick up the characters if I change delay to > .0001.
read -t0 only polls and returns success or failure depending on whether or not input is available on the specified file descriptor. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
