sys: Powerful and Reliable Tools for Running System Commands in R
Drop-in replacements for the base system2() function with fine control
and consistent behavior across platforms. Supports clean interruption, timeout,
background tasks, and streaming STDIN / STDOUT / STDERR over binary or text
connections. Arguments on Windows automatically get encoded and quoted to work on different
locales. On Unix platforms the package also provides functions for evaluating
expressions inside a temporary fork. Such evaluations have no side effects on the
main R process, and support reliable interrupts and timeouts. This provides the
basis for a sandboxing mechanism.
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