Comments (2)
If you don't need to do anything until the process finishes, then processx::run()
is the easiest to use.
If you want to parse the output while the process is running, then process$new()
is best, here is an example: https://www.tidyverse.org/blog/2018/09/processx-3.2.0/#use-case-wait-for-an-external-process-to-be-ready
from processx.
Pipes have buffers, and if you don't read them out, then the process writing to them will indeed stop: https://github.com/r-lib/processx#standard-output-and-error
Always make sure that you read out the standard output and/or error of the pipes, otherwise the background process will stop running!
from processx.
Related Issues (20)
- Document common options for output encoding of Windows tools HOT 2
- User-defined process name HOT 2
- Different behaviour inside and outside functions HOT 5
- `$call` should be a call or `NULL` in error objects HOT 3
- Release processx 3.8.1
- Release processx 3.9.0 HOT 1
- get_pid() different from Sys.getpid() on Windows HOT 2
- Compiler error during install: -fPIE HOT 7
- Unnable to read more than 78643 chars from stdout pipe HOT 3
- Release processx 3.8.2
- arguments with special character like \'~\' case an error. HOT 2
- Move httpbin to test-poll-curl.R? HOT 2
- Upkeep for processx (2022)
- Use cli errors or file an issue if you don't have time to do it now
- `usethis::use_standalone("r-lib/rlang", "types-check")` instead of home grown argument checkers;
- Add alt-text to pictures, plots, etc; see https://posit.co/blog/knitr-fig-alt/ for examples
- processx update from CRAN HOT 3
- Installation from CRAN failed on Fedora 30 HOT 6
- Release processx 3.8.3 HOT 1
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from processx.