r.describe
r.describe - Prints terse list of category values found in a raster map layer.
Raster (r.*)
ParameterRaster|map|Name of input raster map|False
ParameterString|nv|String representing no data cell value|*
ParameterNumber|nsteps|Number of quantization steps|1.0|None|255
ParameterBoolean|-1|Print the output one value per line|False
ParameterBoolean|-r|Only print the range of the data|False
ParameterBoolean|-n|Suppress reporting of any NULLs|False
ParameterBoolean|-d|Use the current region|False
ParameterBoolean|-i|Read fp map as integer|False