processx: Execute and Control System Processes

Tools to run system processes in the background. It can check if a background process is running; wait on a background process to finish; get the exit status of finished processes; kill background processes. It can read the standard output and error of the processes, using non-blocking connections. 'processx' can poll a process for standard output or error, with a timeout. It can also poll several processes at once.

Package details

AuthorGábor Csárdi [aut, cre, cph] (ORCID: <https://orcid.org/0000-0001-7098-9676>), Winston Chang [aut], Posit Software, PBC [cph, fnd] (ROR: <https://ror.org/03wc8by49>), Ascent Digital Services [cph, fnd]
MaintainerGábor Csárdi <csardi.gabor@gmail.com>
LicenseMIT + file LICENSE
Version3.8.7
URL https://processx.r-lib.org https://github.com/r-lib/processx
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("processx")

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processx documentation built on April 1, 2026, 5:06 p.m.