I do not know UV but in UDT according to my tests we can not write file descriptor to named pipe. I would like to know if somebody succeeds.
Lembit Pirn 7+7 Software Tondi 1 Tallinn 11313 Estonia +372 65 66 232 [EMAIL PROTECTED] ----- Original Message ----- From: "Glenn Herbert" <[EMAIL PROTECTED]> To: "U2 Users Discussion List" <[EMAIL PROTECTED]> Sent: Tuesday, March 23, 2004 4:10 PM Subject: Re: How to open another process's stdin/stdout to a UV file descriptor? > You could try using named pipes. You might find an ancient tech bulletin > floating around (Ref#74-0067 "Using Pipes With BASIC Processes") that could > prove helpful in achieving what you want. I don't have a copy of it > anymore. Anyone?? > > At 08:54 AM 03/23/2004, you wrote: > >Hi All, > > > >Does UV support opening another process's STDIN or STDOUT to a file > >descriptor? This could solve a lot of interfacing problems for me. For > >those familiar with perl, this functionality is provided by the open() > >function something like: > > > >open(descriptor, "|externalcmd"). > > > >In UV, this would be equivalent to: > > > >OPENSEQ "|externalcmd" TO DESCRIPTOR ... > >or > >OPENSEQ "externalcmd|" TO DESCRIPTOR ... > > > >The '|' symbol in front of (or behind) the command determines whether the > >process is opened for input or output. > > > > > >You can then use WRITESEQ or READSEQ to communicate with the external > >unix/windows program which reads its STDIN or writes to its STDOUT. > > > >Similar functionality is already available in UV via the EXECUTE ... > >CAPTURING command but its major drawback is that a new process is started > >with every EXECUTE and the call to EXECUTE will block until the external > >process exits. > > > >Thanks for any help. > >Marco > > > > > > > >--------------------------------- > > Yahoo! Messenger - Communicate instantly..."Ping" your friends today! > > Download Messenger Now > >-- > >u2-users mailing list > >[EMAIL PROTECTED] > >http://www.oliver.com/mailman/listinfo/u2-users > > -- > u2-users mailing list > [EMAIL PROTECTED] > http://www.oliver.com/mailman/listinfo/u2-users -- u2-users mailing list [EMAIL PROTECTED] http://www.oliver.com/mailman/listinfo/u2-users
