Re: $? in the right side of a pipe

[clemens fischer]

Pierre Gaston wrote:

> using the following:
> 
> false; : | echo $?
> 
> bash and ksh93 print 0
> pdksh, dash and zsh print 1
> 
> It's not especially useful, but I'm wondering if there is any reason
> for this. (I would expect 1)

  $ help :
  :: :
      Null command.
  
      No effect; the command does nothing.
  
      Exit Status:
      Always succeeds.

My reading is this:  ":" returns 0 and this would be the result of that
part of the chain.


clemens