[R] RDCOMClient: how to close Excel process?

[Lauri Nikkinen]

Thanks but that did not work. xl$Quit() does not kill the Excel
process and sample_file.xls will not open.

I'm using Windows XP SP2 and R 2.8.1

-L

2009/7/8 Henrique Dallazuanna <wwwhsd at gmail.com>:
> Try this:
>
> xl$Quit()
>
> On Wed, Jul 8, 2009 at 10:06 AM, Lauri Nikkinen <lauri.nikkinen at iki.fi>
> wrote:
>>
>> Hi,
>>
>> I’m using R package RDCOMClient (http://www.omegahat.org/RDCOMClient/)
>> to retrieve data from MS Excel workbook. I’m using the code below to
>> count the number of sheets in the workbook and then loop the data from
>> sheets in to a list.
>>
>> ############# R code ###################
>> library(gdata)
>> library(RDCOMClient)
>>
>> xl <- COMCreate("Excel.Application")
>> sh <-
>> xl$Workbooks()$Open(normalizePath("sample_file.xls"))$Sheets()$Count()
>>
>> DF.list <- list()
>> for (i in 1:sh) {
>>   DF.list[[i]] <- read.xls("sample_file.xls", sheet=i,
>> stringsAsFactors = FALSE)
>>   }
>> ######################################
>>
>> COMCreate opens Excel process and it can be seen from Windows Task
>> Manager. When I try to open sample_file.xls in Excel, it just flashes
>> in the screen and shuts down. When I kill (via task manager) the Excel
>> process COMCreate started, sample_file.xls will open normally.
>>
>> The question is, how can I close the Excel process COMCreate started.
>> xl$Close() doesn’t seem to work. The same problem have been presented
>> in this post to R-help:
>> http://tolstoy.newcastle.edu.au/R/help/06/04/25990.html
>>
>> -L
>>
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>
>
>
> --
> Henrique Dallazuanna
> Curitiba-Paraná-Brasil
> 25° 25' 40" S 49° 16' 22" O
>