postprocessing variables name parts get parsed instead of whole variable names

[stephenwhitmarsh]

When an earlier defined variable name is (the first?) part of subsequent variable name definition, it replaces that overlapping part with the value of the earlier variable. Switching the order removes this issue. I am not sure this has to do with the underscore, but it is unexpected. For example, the following configuration in postprocessing.ini:

[input]
rms1=rms.channel1
rms1_min=rms.channel1.min_att
rms1_max=rms.channel1.max_att

[output]
post.rms1 = ((rms1 - rms1_min * 0.5) / (max(rms1_max, rms1*1.1) - rms1_min * 0.5))

results in (note the NUMBER_min and NUMBER_max):

ERROR: postprocessing: Error in evaluation: post.rms1 = ( ( 18.448567988897565 - 18.448567988897565_min * 0.5 ) / ( max( 18.448567988897565_max , 18.448567988897565 * 1.1 ) - 18.448567988897565_min * 0.5 ) )

This is resolved when reordering the input variable names:

[input]
rms1_min=rms.channel1.min_att
rms1_max=rms.channel1.max_att
rms1=rms.channel1