Your original question probably is answered by dev.cur and dev.list
Yihui Xie wrote: > Hi Everyone, > > I want to get the commands history as a character vector instead of > just displaying them, but the function history() just returns NULL. I > checked the source code of 'history' and could not find a solution. > Anybody has an idea? Thanks! > > P. S. My original problem is, when a user opens a graphics device like > png() or pdf(), I want to know the file name used by this device. I > thought history() would help, but it could not. > >> sessionInfo() > R version 2.8.1 (2008-12-22) > i386-pc-mingw32 > > locale: > LC_COLLATE=Chinese_People's Republic of > China.936;LC_CTYPE=Chinese_People's Republic of > China.936;LC_MONETARY=Chinese_People's Republic of > China.936;LC_NUMERIC=C;LC_TIME=Chinese_People's Republic of China.936 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > Regards, > Yihui > -- > Yihui Xie <xieyi...@gmail.com> > Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086 > Mobile: +86-15810805877 > Homepage: http://www.yihui.name > School of Statistics, Room 1037, Mingde Main Building, > Renmin University of China, Beijing, 100872, China > > ______________________________________________ > R-help@r-project.org 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. > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.0.238 / Virus Database: 270.11.24/2017 - Release Date: 03/22/09 > 17:51:00 > -- Erich Neuwirth, University of Vienna Faculty of Computer Science Computer Supported Didactics Working Group Visit our SunSITE at http://sunsite.univie.ac.at Phone: +43-1-4277-39464 Fax: +43-1-4277-39459 ______________________________________________ R-help@r-project.org 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.