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...ause of the recursive list.files parameter, for some files beginning with a . there is a path attached. I think it is not as simple as it looks because all files end with . something. .xlsx or .txt or .r... files <- list.files("~", recursive = TRUE, all.files = TRUE) files /XXX/ZZZ/.R_history /XXX/ZZZ/AAA/Script.r /XXX/ZZZ/BBB/test.xlsx /XXX/ZZZ/CCC/.xyz files <- files[grep("^.*$", files)] I want grep to return only the following to lines: /XXX/ZZZ/.R_history /XXX/ZZZ/CCC/.xyz Any ideas on how to solve that issue? Cheers syrvn -- View this message in context: http://r...

...) Open WinEdt.btn and add this to the end of the list of bitmaps 246 %B\Bitmaps\Buttons\R-history.bmp 247 %B\Bitmaps\Buttons\R-paste.bmp 248 %B\Bitmaps\Buttons\R-source.bmp 249 %B\Bitmaps\Buttons\R-script.bmp 6) Open WinEdt.img and add this to the end of the list of bitmaps 246 %B\Bitmaps\Images\R_history.bmp 247 %B\Bitmaps\Images\R_paste.bmp 248 %B\Bitmaps\Images\R_source.bmp 249 %B\Bitmaps\Images\R_script.bmp 7) Add the R menu items to the Default WinEdt Toolbar by right clicking on the toolbar. Then select Enter Toolbar Setup. Finally, click the R buttons (there are four) and add them one at...