Generate the desired name(s) as character variables and use those variables as the filename when saving it (them).
?paste ?paste0 ?sprintf ?format.POSIXct If you have not converted your timestamps to a time data type yet then you probably need to do that. You may be able to hack something together with substr, but you won't get the format validation and sorting benefits of working with true time data types. Please read the Posting Guide which warns you to post using plain text email so we see what you see. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. On March 17, 2014 8:05:23 AM PDT, Olivier Charansonney <olivier-luc.charanson...@laposte.net> wrote: >Hello, > >I would like to name files (.txt, .pdf or lists (or dataframes) with >names >composed from subjects' IDs, dates, and times e.g. 003DE, 03 17 2014 >and >16:02:30 gives a file named 003DE-031714-160230.txt. > >How can I do that? > >Thanks for your help. > > > > > [[alternative HTML version deleted]] > >______________________________________________ >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. ______________________________________________ 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.