+ which R
/usr/bin/R
+ R --version
R version 3.5.2 (2018-12-20) -- "Eggshell Igloo"
Copyright (C) 2018 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under the terms of the
GNU General Public License versions 2 or 3.
For more information about these matters see
http://www.gnu.org/licenses/.

+ set +x


Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

[1] "OK"

[_bin/cxx-opt/osh] [opt/osh]
[yy/zz/_bin/cxx-opt/osh] [opt/osh]
[yy/zz/_bin/cxx-opt+bumpleak/osh] [bumpleak/osh]
[1] TRUE