Xfun: Supporting Functions for Packages Maintained by ...

Start a background process using the PowerShell cmdlet Start-Process -PassThru on Windows ... if PowerShell is not available, try to use system2(wait = FALSE) to start the back-ground process instead. The process ID will be identified from the output of the command tasklist. ... (xfun.bg_process.timeout) to a larger value, but it should be ... ................
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