Return a boolean value which says whether archive filtering is enabled.

Arguments: (none)

(none)

Example 1:

The following example shows an example of how a command can restore the previous archive filtering after changing it temporarily.

  command fire_noise_cal() {
    Boolean state = $archive_filtering
    archive filtering=true
    ...
    archive filtering=$state
  }

Context:

This function is intended for library commands that need to enable or disable archive filtering termporarily, then restore the original filtering mode before returning to the caller.