Downloads the appropriate gnparser executable for your platform and
tries to copy it to a system directory so rgnparser can run the
The gnparser version number, e.g.,
Whether to install gnparser even if it has already been installed. This may be useful when upgrading gnparser.
This function tries to install gnparser to
~/Library/Application Support on macOS, and
other platforms (such as Linux). If these directories are not writable, the
gnparser of rgnparser will be used. If it
still fails, you have to install gnparser by yourself and make sure it can
be found via the environment variable
This is just a helper function and may fail to choose the correct gnparser executable for your operating system, especially if you are not on Windows or Mac or a major Linux distribution. When in doubt, read the gnparser documentation and install it yourself: https://github.com/gnames/gnparser#installation
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