Hello all,

I need to export only 3 pieces of data from weewx into a file.
The file should contain a single line of text in the following format:
date;pressure;temperature

The date is in the format "yyyy-MM-dd HH:mm:ss".
The pressure and temperature are expressed in hPa and °C, respectively

I tried to use the CSV extension and succeeded in
- single line
- time-format

However, all sensor data is exported and the delimiter is fixed to , 
instead of the required ;

Is there any chance to succeed using the CSV extension (e.g. options to 
define the delimiter as ; instead of , - and options which sensor data is 
to be exported)?
Or do I need another extension, or is there even another way?

My searches on "export" and "csv" didn't bring any clues.

In case of interest, this is my use case:
I want to use temperature and pressure data to calculate "refraction" data 
for astrophotography using a 10micron telescope mount.
This mount allows to calculate refraction data automatically if fed with a 
text file with the specifications above.
Probably there are more users who might make use of this.

Thank you for any hint,

Herwig

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