On Thu, Oct 7, 2010 at 6:53 AM, john skaller
<skal...@users.sourceforge.net> wrote:
>
> On 08/10/2010, at 12:19 AM, john skaller wrote:
>
> OMG I have narrowed the bug down to this:
>
> system(cmd + ">tmp.out");
> output = load_file("tmp.out");
>
> where cmd is a flx_pkgconfig command.
>
> I have NO idea why this doesn't work. However it is definitely failing.
> Flx_pkgconfig is producing the correct results when run manually.
>
> tmp.out is DEFINITELY wrong. The value left over at the failure point is
> completely out of whack, it's the result from several calls to flx_pkgconfig
> back.
>
> My load file routine is defined in src/rtl/flx_ioutil.cpp, it uses fgets and
> seems correct.
> Which leaves the possibility that the system() command isn't flushing stdout
> to disk?
> ??? I am lost (we should be using popen, but I've hacked it to use the Windows
> code, which was easier to translate to Felix without handling all the rubbish
> around
> using popen on 20 different Unix platforms).
>
> Hmmm ...
Are you checking the return code from system? Maybe it's erroring out
for some reason before it even executes. Could also throw in a "rm
tmp.out" after you load it to make sure you aren't reading in old
values.
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