You seem confused. You are programming in R, and asking questions about bash on 
an R mailing list. You seem to need to learn the difference between environment 
variables and bash variables and how processes acquire and transfer environment 
variables, which is really an operating system concept and off topic here. Once 
you do understand this difference, you might be interested in reading the R 
help file on Sys.setenv().
---------------------------------------------------------------------------
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Sent from my phone. Please excuse my brevity.

Dario Strbenac <dstr7...@uni.sydney.edu.au> wrote:
>Hello,
>
>It is difficult searching for previous posts about this since the
>keywords are short and ambiguous, so I hope this is not a duplicate
>question.
>
>I can easily declare an array on the command line.
>
>$ names=(X Y)
>$ echo ${names[0]}
>X
>
>I am unable to do the same from within R.
>
>> system("names=(X Y)")
>sh: Syntax error: "(" unexpected
>
>Reading the documentation for the system function, it appears to only
>be relevant for executing commands. What can I do instead to declare a
>BASH array ? Thanks.
>
>--------------------------------------
>Dario Strbenac
>PhD Student
>University of Sydney
>Camperdown NSW 2050
>Australia
>
>______________________________________________
>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.

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