Dear list members,
I need to determine whether pdflatex is installed and have been doing that via
Sys.which("pdflatex"). This works when R is run in a terminal window (or in
RStudio):
> Sys.which("pdflatex")
pdflatex
"/usr/texbin/pdflatex"
but not from R.app:
> Sys.which("pdflatex")
pdflatex
""
The session info is the same in both cases:
-------------- snip ----------------
> sessionInfo()
R version 3.1.3 (2015-03-09)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.10.2 (Yosemite)
locale:
[1] en_CA.UTF-8/en_CA.UTF-8/en_CA.UTF-8/C/en_CA.UTF-8/en_CA.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
-------------- snip ----------------
Why is the result different? Is there a better way to check for the presence of
pdflatex?
Any help would be appreciated.
Thanks,
John
------------------------------------------------
John Fox, Professor
McMaster University
Hamilton, Ontario, Canada
http://socserv.mcmaster.ca/jfox/
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