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This PR avoids a file lock issue (observed on windows, probably not an issue on linux): Sourcing .R file using
R -f xxx.R
locks the file and as a consequence it's impossible to reinstall this extension while it is running. This is particularly annoying when working on the extension itself, since it contains R code and is therefore activated automatically.This problem is solved by sourcing .R files using
R -e source('xxx.r')
, which does not appear to lock the file.