How do I create a package name with underscore?

Question

I get this error when running devtools::check().

Error in processx::run(bin, args = real_cmdargs, stdout_line_callback = real_callback(stdout),  : 
  System command error

The check runs and completes just fine if I remove the underscore from my package name. How do I create a package name with underscore?

score 2 · Accepted Answer · answered Mar 15 '19 at 09:40

The manual on writing R extensions describes that this is not permitted.

The mandatory ‘Package’ field gives the name of the package. This should contain only (ASCII) letters, numbers and dot, have at least two characters and start with a letter and not end in a dot. If it needs explaining, this should be done in the ‘Description’ field (and not the ‘Title’ field).

https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Creating-R-packages

See also this question: What's a good R package name?

This is so weird! I am curious as to why. I suppose this is also imposed on R packages not distributed on CRAN. — mindlessgreen, Mar 15 '19 at 10:28

How do I create a package name with underscore?

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