Aliases: Sys.getenv
Keywords: environment utilities
### ** Examples ## whether HOST is set will be shell-dependent e.g. Solaris' csh does not. Sys.getenv(c("R_HOME", "R_PAPERSIZE", "R_PRINTCMD", "HOST"))
R_HOME R_PAPERSIZE R_PRINTCMD HOST "/usr/local/R/4.2" "a4" "" ""
names(s <- Sys.getenv()) # all settings (the values could be very long)
[1] "BIBINPUTS" "BSTINPUTS" "EDITOR" [4] "HOME" "LANG" "LANGUAGE" [7] "LD_LIBRARY_PATH" "LN_S" "LOGNAME" [10] "LS_COLORS" "MAIL" "MAKE" [13] "PAGER" "PATH" "PWD" [16] "R_ARCH" "R_BROWSER" "R_BZIPCMD" [19] "R_CMD" "R_DOC_DIR" "R_GZIPCMD" [22] "R_HOME" "R_INCLUDE_DIR" "R_LIBS" [25] "R_LIBS_SITE" "R_LIBS_USER" "R_OSTYPE" [28] "R_PAPERSIZE" "R_PAPERSIZE_USER" "R_PDFVIEWER" [31] "R_PLATFORM" "R_PRINTCMD" "R_RD4PDF" [34] "R_SESSION_TMPDIR" "R_SHARE_DIR" "R_STRIP_SHARED_LIB" [37] "R_STRIP_STATIC_LIB" "R_SYSTEM_ABI" "R_TEXI2DVICMD" [40] "R_UNZIPCMD" "R_VERSION" "R_ZIPCMD" [43] "ROOT" "SED" "SHELL" [46] "SHLVL" "SUDO_COMMAND" "SUDO_GID" [49] "SUDO_UID" "SUDO_USER" "TAR" [52] "TERM" "TEXINPUTS" "USER"
head(s, 12)# using the Dlist print() method
BIBINPUTS .:/usr/local/R/4.2/share/texmf/bibtex/bib: BSTINPUTS .:/usr/local/R/4.2/share/texmf/bibtex/bst: EDITOR vi HOME /home/rcloud LANG en_AU.UTF-8 LANGUAGE en_AU: LD_LIBRARY_PATH /usr/local/R/4.2/lib:/usr/local/lib:/usr/lib/x86_64-linux-gnu:/usr/lib/jvm/java-11-openjdk-amd64/lib/server LN_S ln -s LOGNAME rcloud LS_COLORS rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36: MAIL /var/mail/rcloud MAKE make
## Language and Locale settings -- but rather use Sys.getlocale() s[grep("^L(C|ANG)", names(s))]
LANG en_AU.UTF-8 LANGUAGE en_AU: