Does 
  length(getSheets(loadWorkbook("las.xlsx"))
  
give you the index you need? (Untested).

B.


On Apr 17, 2016, at 9:43 AM, Val <valkr...@gmail.com> wrote:

> Hi all,
> 
> I am trying to read data from a particular  excel sheet.
> 
> library(xlsx)
> dat1=read.xlsx("las.xlsx", sheetIndex = 5)
> 
> I know that this is sheet is the last one and this number grows over time
> 
> When I run my script to read the last sheet then I have to change this
> number every time manually.
> 
> Is it possible to read the last sheet of an excel file?
> Thank yo in advance
> Val
> 
>       [[alternative HTML version deleted]]
> 
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