Execute a custom operator
cdo(operator, input, params = NULL, output = NULL)cdo_operator(command, params, n_input, n_output)
a cdo operation.
A list with elements command, params, n_input and n_output.
a list created with cdo_operator.
a list with the input files.
a character vector with the name of the parameter
a vector of file name(s).
a string with the command used to run the operator
an integer with the number of input and output files required by the operator