add writeArgs to calcOutput

R/calcOutput.R

@@ -29,6 +29,7 @@
 #' always interpreted as TRUE.
 #' @param regionmapping alternative regionmapping to use for the given calculation. It will temporarily
 #' overwrite the global setting just for this calculation.
+#' @param writeArgs a list of additional, named arguments to be supplied to write.report
 #' @param ... Additional settings directly forwarded to the corresponding
 #' calculation function
 #' @return magpie object with the requested output data either on country or on
@@ -101,7 +102,8 @@
 
 calcOutput <- function(type, aggregate = TRUE, file = NULL, years = NULL, # nolint
                        round = NULL, signif = NULL, supplementary = FALSE,
-                       append = FALSE, warnNA = TRUE, na_warning = NULL, try = FALSE, regionmapping = NULL, ...) { # nolint
+                       append = FALSE, warnNA = TRUE, na_warning = NULL, try = FALSE, # nolint
+                       regionmapping = NULL, writeArgs = NULL, ...) {
   argumentValues <- c(as.list(environment()), list(...))  # capture arguments for logging
 
   setWrapperActive("calcOutput")
@@ -402,11 +404,18 @@ calcOutput <- function(type, aggregate = TRUE, file = NULL, years = NULL, # noli
     vcat(0, "The parameter append=TRUE works only when the file name is provided in the calcOutput() function call.")
   }
 
+  if (is.null(file) && !is.null(writeArgs)) {
+    vcat(0, "The parameter writeArgs works only when the file name is provided in the calcOutput() function call.")
+  }
+
   if (!is.null(file)) {
     if (x$class == "magpie") {
       if (grepl(".mif", file) == TRUE) {
         if (!is.null(getYears(x$x))) {
-          write.report(x$x, file = paste(getConfig("outputfolder"), file, sep = "/"), unit = x$unit, append = append)
+          do.call(write.report, c(
+            list(x$x, file = file.path(getConfig("outputfolder"), file), unit = x$unit, append = append),
+            writeArgs
+          ))
         } else {
           vcat(0, "Time dimension missing and data cannot be written to a mif-file. Skip data set!")
         }