Overwrite An Excel File through RDCOMClient Package in R

Question

I am trying to manipulate an Excel file (.xls) in R through RDCOMClient Package.

I created an Excel object in R, opened a workbook saved as .xls file format, and tried to convert the file format into .xlsx without pop-up dialog box when there is an Excel file with the same file name. Codes as below.

excel <- COMCreate("Excel.Application")
wb    <- excel$Workbooks()$Open(Filename = "filepath.xls",Password = "xxxxx")

excel$DisplayAlerts(FALSE)

wb$SaveAs(Filename = "filepath.xlsx" ,FileFormat = 51,Password = "")

I got an error message when I executed the code:

excel$DisplayAlerts(FALSE)

<'checkErrorInfo'> 8002000E Error: invalid number of parameter.

Answer 1

您应将其替换为以下内容：

excel[["DisplayAlerts"]]=FALSE