From: arcadepreserv AT hotmail DOT com Newsgroups: comp.os.msdos.djgpp Subject: Re: How Do I catch a "printf interrupt" ? Date: Fri, 28 Jan 2000 11:31:21 GMT Organization: Deja.com - Before you buy. Lines: 54 Message-ID: <86ruma$v80$1@nnrp1.deja.com> References: <86n3vr$dll$1 AT nnrp1 DOT deja DOT com> NNTP-Posting-Host: 193.15.174.253 X-Article-Creation-Date: Fri Jan 28 11:31:21 2000 GMT X-Http-User-Agent: Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; TUCOWS) X-Http-Proxy: 1.0 x33.deja.com:80 (Squid/1.1.22) for client 193.15.174.253 X-MyDeja-Info: XMYDJUIDkivik To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com OK! A pipe seams as something worth to try... I assume that what you mean is that I use a syntax like, backend.exe >frontend.exe ? How do I then read the data in the frontend.exe that I write ? and also, is it possible (certanly preferable) to get frontend.exe to use a call to backend.exe, something like dosexec(backend.exe>frontend.exe") ? I think this sounds like an endless recursive loop. I could of cource start it with Dosexec("backend>file.txt"), but it is then possible to open the file.txt and read it, while backend.exe writes to it, which is what I want ? Is it at all possible to have my frontend program analyze the output from backend.exe, while backend.exe executes, without an interrupt handling ? when I start a program from my program, does'nt my program halt until the started program terminates ? In article , REPLYTOd_yerrick AT hotmail DOT comNO2CANNEDHAM wrote: > On Wed, 26 Jan 2000 15:31:07 GMT, arcadepreserv AT hotmail DOT com wrote: > > >I am doing a frontend to an MSdos application, i.e. another msdos > >application is started from my frontend, and I need to decode the > >output from this application. > > > >I think it is possible to trap a interrupt that accurs when a call to > >printf is made, and then read the string a pointer is pointing to. > > uhhh... that's what a pipe is for? > > -- > Damian Yerrick http://yerricde.tripod.com/ > View full sig at http://www.rose-hulman.edu/~yerricde/sig.html > Comment on story ideas at http://home1.gte.net/frodo/quickjot.html > Sent via Deja.com http://www.deja.com/ Before you buy.