input,f,a,,,,"Shift table to add granularity shift column to" reference,f,h,"",,,"Image that is the zero reference point" gran_col,s,h,"goff",,,"Name of column to add/modify" file_col,s,h,"file",,,"Input column containing file names" group_col,s,h,"group",,,"Input column containing group numbers" overwrite,b,h,no,,,"Overwrite column if it already exists" Version,s,h,"8Jul93",,,"Date of installation"