Michał Bojanowski
2021-Oct-15 16:44 UTC
[Rd] Fwd: Using existing envars in Renviron on friendly Windows
Perhaps a small update to ?.Renviron would be in order to mention that... On Fri, Oct 15, 2021 at 6:43 PM Micha? Bojanowski <michal2992 at gmail.com> wrote:> > Indeed quoting works! Kevin suggested the same, but he didnt reply to the list. > Thank you all! > Michal > > On Fri, Oct 15, 2021 at 6:40 PM Ivan Krylov <krylov.r00t at gmail.com> wrote: > > > > Sorry for the noise! I wasn't supposed to send my previous message. > > > > On Fri, 15 Oct 2021 16:44:28 +0200 > > Micha? Bojanowski <michal2992 at gmail.com> wrote: > > > > > AVAR=${APPDATA}/foo/bar > > > > > > Which is a documented way of referring to existing environment > > > variables. Now, with that in R I'm getting: > > > > > > Sys.getenv("APPDATA") # That works OK > > > [1] "C:\\Users\\mbojanowski\\AppData\\Roaming" > > > > > > so OK, but: > > > > > > Sys.getenv("AVAR") > > > [1] "C:UsersmbojanowskiAppDataRoaming/foo/bar" > > > > Hmm, a function called by readRenviron does seem to remove backslashes, > > but not if they are encountered inside quotes: > > > > https://github.com/r-devel/r-svn/blob/3f8b75857fb1397f9f3ceab6c75554e1a5386adc/src/main/Renviron.c#L149 > > > > Would AVAR="${APPDATA}"/foo/bar work? > > > > -- > > Best regards, > > Ivan
Tomas Kalibera
2021-Oct-18 15:02 UTC
[Rd] Fwd: Using existing envars in Renviron on friendly Windows
On 10/15/21 6:44 PM, Micha? Bojanowski wrote:> Perhaps a small update to ?.Renviron would be in order to mention that...Would you have a more specific suggestion how to update the documentation? Please note that it already says "?value? is then processed in a similar way to a Unix shell: in particular the outermost level of (single or double) quotes is stripped, and backslashes are removed except inside quotes." Thanks, Tomas> On Fri, Oct 15, 2021 at 6:43 PM Micha? Bojanowski <michal2992 at gmail.com> wrote: >> Indeed quoting works! Kevin suggested the same, but he didnt reply to the list. >> Thank you all! >> Michal >> >> On Fri, Oct 15, 2021 at 6:40 PM Ivan Krylov <krylov.r00t at gmail.com> wrote: >>> Sorry for the noise! I wasn't supposed to send my previous message. >>> >>> On Fri, 15 Oct 2021 16:44:28 +0200 >>> Micha? Bojanowski <michal2992 at gmail.com> wrote: >>> >>>> AVAR=${APPDATA}/foo/bar >>>> >>>> Which is a documented way of referring to existing environment >>>> variables. Now, with that in R I'm getting: >>>> >>>> Sys.getenv("APPDATA") # That works OK >>>> [1] "C:\\Users\\mbojanowski\\AppData\\Roaming" >>>> >>>> so OK, but: >>>> >>>> Sys.getenv("AVAR") >>>> [1] "C:UsersmbojanowskiAppDataRoaming/foo/bar" >>> Hmm, a function called by readRenviron does seem to remove backslashes, >>> but not if they are encountered inside quotes: >>> >>> https://github.com/r-devel/r-svn/blob/3f8b75857fb1397f9f3ceab6c75554e1a5386adc/src/main/Renviron.c#L149 >>> >>> Would AVAR="${APPDATA}"/foo/bar work? >>> >>> -- >>> Best regards, >>> Ivan > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel