[Qgis-user] R in QGIS on OSX using Kyngchaos build

[gene]

The test is done in the lines 179-200 in the script Rutils.py.  It consists
in running the shell command 

command = ['R --version'] with processing 

 proc = subprocess.Popen(
            command,
            shell=True,
            stdout=subprocess.PIPE,
            stdin=open(os.devnull),
            stderr=subprocess.STDOUT,
            universal_newlines=True,
        ).stdout
for line in iter(proc.readline, ''):
    if 'R version' in line:
         settings.setValue(R_INSTALLED, True)
         return

The result in my  shell is 

$ R --version
WARNING: ignoring environment value of R_HOME
R version 3.2.2 (2015-08-14) -- "Fire Safety"
Copyright (C) 2015 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin13.4.0 (64-bit)
....

Therefore, it is an R problem with El Capitan and not a Kyngchaos build 
problem 
The problem of El Capitan is that only Apple is allowed to install software
under /usr/bin (only /usr/local/bin)  and the R (R, Rscript) executables are
in  /usr/bin. This affects also MacTeX and XQuartz (because of the new 
System Integrity Protection  (SIP)
<https://support.apple.com/en-us/HT204899>  )

Therefore, it is an R problem and not a Kyngchaos build  problem ( the
problem of R with El Capitan  has been resolved)




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