If you want you script to wait until you have a value entered then you can use the tkwait.variable or tkwait.window commands to make the script wait before continuing (or you can bind the code to a button so that you enter the value, then click on the button to run the code).
On Wed, Jul 8, 2015 at 7:58 PM, Matthew McCormack <mccorm...@molbio.mgh.harvard.edu> wrote: > Wow ! Very nice. Thank you very much, John. This is very helpful and just > what I need. > Yes, I can see that I should have paid attention to tcltk before going to > tcltk2. > > Matthew > > > On 7/8/2015 8:37 PM, John Fox wrote: >> >> Dear Matthew, >> >> For file selection, see ?tcltk::tk_choose.files or ?tcltk::tkgetOpenFile . >> >> You could enter a number in a tk entry widget, but, depending upon the >> nature of the number, a slider or other widget might be a better choice. >> >> For a variety of helpful tcltk examples see >> <http://www.sciviews.org/_rgui/tcltk/>, originally by James Wettenhall but >> now maintained by Philippe Grosjean (the author of the tcltk2 package). >> (You >> probably don't need tcltk2 for the simple operations that you mention, but >> see ?tk2spinbox for an alternative to a slider.) >> >> Best, >> John >> >> ----------------------------------------------- >> John Fox, Professor >> McMaster University >> Hamilton, Ontario, Canada >> http://socserv.socsci.mcmaster.ca/jfox/ >> >> >> >> >>> -----Original Message----- >>> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Matthew >>> Sent: July-08-15 8:01 PM >>> To: r-help >>> Subject: [R] tcltk2 entry box >>> >>> Is anyone familiar enough with the tcltk2 package to know if it is >>> possible to have an entry box where a user can enter information (such >>> as a path to a file or a number) and then be able to use the entered >>> information downstream in a R script ? >>> >>> The idea is for someone unfamiliar with R to just start an R script that >>> would take care of all the commands for them so all they have to do is >>> get the script started. However, there is always a couple of pieces of >>> information that will change each time the script is used (for example, >>> a different file will be processed by the script). So, I would like a >>> way for the user to input that information as the script ran. >>> >>> Matthew McCormack >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>> 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. >> >> >> --- >> This email has been checked for viruses by Avast antivirus software. >> https://www.avast.com/antivirus >> > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. -- Gregory (Greg) L. Snow Ph.D. 538...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
