Cory Riddell wrote:
>I used PythonCard to create a simple gui front end to a program that
>dumps all of its output to a log file. What's the best way to show
>that log file in a text control? I'd like it to be continuously
>updated, just like the Unix tail command.
>
>Any advice?
>
>
>
There's probably a better way (or any number of better ways :-), but ....
you can do it with a simple timer that reads from the file and appends
to the text control will do it
(That's assuming you don't mind the text control growing to keep all the
content - if you don't want that you'll need to do a bit more to trim
data off the front ....)
I tried a very simple example, where there was just a TextArea, and the
code just had
> def on_initialize(self, event):
> # if you have any initialization
> # including sizer setup, do it here
> self.f = open("log.txt")
> self.tmr = timer.Timer(self.components.Log, -1)
> self.tmr.start(1000)
> pass
>
> def on_Log_timer(self, event):
> t = self.f.read()
> if t == "": return
> self.components.Log.AppendText(t)
> return
this works for files being extended by saving from Emacs, and from "cat
> log.txt" in Cygwin - but you should obviously check it with one of
your log files while it is being extended.
--
Alex Tweedly http://www.tweedly.net
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