|Bill Allombert on Tue, 09 Feb 2016 20:32:30 +0100|
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|Re: Console-interaction scheme changed since version 2.4 and is since no more functional for my Pari/GP-GUI (Windows)|
On Tue, Feb 09, 2016 at 12:54:31PM +0100, Gottfried Helms wrote: > Dear friends - > > in 2005 or so I wrote a GUI-environment for Pari/GP (version 2.2.11) > using Delphi 6 which called Pari/GP as (invisible) subprocess, communicating > via Windows-console piping (like in emacs with the Pari/GP commandline-option > "--emacs") > This Utility/GUI ("PariTTY") is a big success for me and a couple of > users, but with the version 2.4 or 2.5 things changed and the > low-level communication fails. Actually I evaluated the "prompt" in > the Pari/GP-output to find when an (asynchronuous) communication/an output > was ended. > > While the console-modus is still working with version 2.7.4 I can, > whatever I do, not receive the GP-prompt. Surprisingly, in a simple, > ordinary windows-cmd-console the dialog is ok, including the GP-prompt. > > The likely relevant change seems to be that since version 2.5 or so > I don't see the cygwin.dll in the directories. We distribute PARI/GP binaries built using mingw. However, we still support cygwin, so you can still build your own PARI/GP binaries using cygwin if you like. It seems to me your problem is linked to windows specific intput/output interface that cannot be solved in PARI proper. > So my question is, how I could reactivate the communicativity of my > PariTTY-GUI to be able to adapt the version to the increasing versions > of Pari/GP itself. > Alternatively, could there be another commandline-parameter introduced, > which switches to a modus, which postfixes each GP-output with the GP-prompt > via the STDOUT? > > (Or is there an even better idea to perform interaction without > using the complete pari-lib API?) I suggest you look at the option --texmacs of GP which provides the most robust interface for two way communication. Cheers, Bill.