@BeginModule
@NewPage
@Name      = Merge grid
@Title     = Merge grid
@Section   = File operations
@Class     = File operation
@Arguments = ifile1 ifile2 ofile
@Operators = mergegrid
@EndModule


@BeginOperator_mergegrid
@Title     = Merge grid

@BeginDescription
Merges all variables from @file{ifile2} to @file{ifile1} and write the result to @file{ofile}.
Only the non missing values of @file{ifile2} will be used. The grid of @file{ifile2} should 
be smaller or equal to the grid of @file{ifile1}. All grid points of @file{ifile2} have to fit
into the grid of @file{ifile1}. Both input files need to have the same variables and the 
same number of time steps.
@EndDescription
@EndOperator
