Thanks Marcus! That should have been a natural next step for me, but so
many Google search results for xml operators put "=" as a comparison!
Knowing it just needs to be a valid Python expression is good to know
for future needs.
Much appreciated for your assistance once again.
p.s. for anyone who finds this thread in the future, Marcus meant
gr-/analog//grc/analog_nbfm_rx.xml for an example of a mod in check tag.
On 2017-10-19 2:36 AM, Marcus Müller wrote:
Hi Mike,
what's in the <check> tag just needs to be a valid Python expression,
afaik. So,
$psize % 8 == 0
would work (notice the double =; this is comparison, not assignment!).
For comparison, see the gr-audio/grc/analog_nbfm_rx.xml, for example.
Best regards,
Marcus
On 2017-10-19 04:02, Mike Rex wrote:
What would be the best way to make sure the user enters a parameter
that is a multiple of 8 in the GRC XML file? My first thought is
this might do the trick, but seems there is no mod function for XML.
Any suggestions?
<check>$psize % 8 = 0</check> or <check>$psize mod 8 = 0</check>
Thanks in advance,
Mike
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