Re: OT: shell and output redirection

On 07/02/2004 02:50:44 PM, Tanel P?der wrote:
> Hi!
> 
> When I redirect output from program a to program b using a shell pipe, when
> is the receiving procedure executed?

Programs are executed simultaneously. Pseudocode goes like this:
create pipe
fork process 1 {
   open pipe for output
  exec program 1 }
fork process 2 {
   open pipe for input
   exec program 2 }

wait for the first one to complete.





-- 
Mladen Gogala
Oracle DBA



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