On Sun, 20 Jan 2002, Aviram Jenik wrote: > Hi, > > I'm having the following programming program: I have an app (an external app > which I cannot modify), that sends info to stdout, which I want to capture. > If I run the app without redirection, I can see the output coming out > immediately sent out to the screen. To emphasize: > $ ./externalApp > line 1 > line 2 > line 3 > .. > > However, if I redirect the input to a file, or pipe it into another app (my > own), the output only starts to show after ~4 minutes. There's no text > missing, it just appears 'late'. > > This is as if the external app forgot to 'flush' or something. Like I said, > I can't modify this external app and I have to work around it. >
Seems that it forgot to flush. I think there are tools like Perl's Term::IO and Tcl/Tk's expect that can overcome this and be used to capture a program's output as soon as it is written. But I'm not sure. Regards, Shlomi Fish > Any ideas? > > -- > Aviram Jenik > Beyond Security Ltd. > http://www.BeyondSecurity.com > http://www.SecuriTeam.com > > Know that you're safe: > http://www.AutomatedScanning.com > > > > ================================================================= > To unsubscribe, send mail to [EMAIL PROTECTED] with > the word "unsubscribe" in the message body, e.g., run the command > echo unsubscribe | mail [EMAIL PROTECTED] > ---------------------------------------------------------------------- Shlomi Fish [EMAIL PROTECTED] Home Page: http://t2.technion.ac.il/~shlomif/ Home E-mail: [EMAIL PROTECTED] "Let's suppose you have a table with 2^n cups..." "Wait a second - is n a natural number?" ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]