sys: Invoke a System Command
In Kmisc: Kevin Miscellaneous

This function wraps to system, but interprets all un-named arguments as things to be paste-ed. See system for further details.

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sys(..., intern = FALSE, ignore.stdout = FALSE, ignore.stderr = FALSE,
  wait = TRUE, input = NULL, show.output.on.console = TRUE,
  minimized = FALSE, invisible = TRUE)

`...`	System command to be invoked; this gets passed into `paste(..., sep='', collapse='')`.
`intern`	A logical (not `NA`) which indicates whether to capture the output of the command as an R character vector.
`ignore.stdout`	Ignore `stdout`?
`ignore.stderr`	Ignore `stderr`?
`wait`	Should the R interpreter wait for the program to finish execution?
`input`	If a character vector is supplied, this is copied one string per line to a temporary file, and the standard input of `...` is redirected to the file.
`show.output.on.console`	Windows only – show output on console?
`minimized`	Windows only – run the shell minimized?
`invisible`	Windows only – run invisibly?