On Fri, Apr 22, 2016 at 12:34:48AM -0700, David Champion wrote: > * On 21 Apr 2016, Jon LaBadie wrote: > > > > Unless it has changed recently, bash runs redirected read > > commands in a sub-process. Thus the variable fn would not > > get set in the main process. > > I haven't run into this (that I recall) with regular input redirection. > It does happen with piped input redirection (to a read) because the > pipeline terminal isn't the current shell. > > yes: > read fn </dev/tty > > no: > cat /dev/tty | read fn
Thanks for the correction David. My negative bash experience was with pipes as in: date | read wday mon day time zone yr which works fine in ksh and zsh. I badly assumed the limitation was to any redirection. jl -- Jon H. LaBadie j...@jgcomp.com 11226 South Shore Rd. (703) 787-0688 (H) Reston, VA 20190 (703) 935-6720 (C)
