You can use choose.files(caption="Choose data file please!",multi=FALSE,filters=Filters["All"])
This will show the prompt in the file selection dialog and also allows you to restrict the list of possible choises with a filter. Ralf Finne wrote: > > I am trying to make a program to ask the user to choose data file: > > print("Choose data file please !") > > matr=read.table(file.choose(),dec=".",header=TRUE) > > The problem is that the prompt > Choose data file please ! > comes after I have chosen the file. > -- View this message in context: http://www.nabble.com/Prompt-comes-too-late-tf4178913.html#a11919327 Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.