The 'reid' command sequentially assigns the 'region_id' attribute value for all regions within a specified combination. Optionally, the increment between consecutive 'region_id' can be specified. Once the command is complete, the highest 'region_id' set is reported.
-n num
Increment to use between consecutive region identifiers. The default is 1.
comb
Name of the combination to search for regions.
regionID
Region ID to start re-numbering with.
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