Replace Raster Values in FWTools

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Replace Raster Values in FWTools

Hey All,

I am not a programmer or a developer.  I am wondering if there is a way in FWTools to replace a value or range of values in a raster fill with a specified value.  For example, if I have a DEM saved as a TIF that has a value of -32768 and I want any value from -32768 to 0 to be replaced with a value of 183.  What command would I use and what parameters.

Any help would be appreciated.