273 lines
9.0 KiB
Markdown
273 lines
9.0 KiB
Markdown
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# callr 3.7.6
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* If the `CALLR_NO_TEMP_DLLS=true` env var is set then callr does not
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copy the dll the client DLL files from, in the subprocess. By
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default callr copies the DLL file that drives the callr subprocess into
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a temporary directory and loads it from there (#273).
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# callr 3.7.5
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* No changes.
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# callr 3.7.4
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* The `r_session$get_running_time()` method now returns the correct
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values, as documented (#241, @djnavarro).
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* callr now uses fully qualified function calls in the subprocess to
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avoid interference with functions defined in the global environment.
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I.e. `base::stderr()` instead of `stderr()`. Closes #246.
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# callr 3.7.3
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* Errors from callr now include the standard output (in `$stdout`) and
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standard error (in `stderr`) again. The standard output and error are also
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printed on error in non-interactive sessions, and a note is printed about
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them in interactive sessions.
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# callr 3.7.2
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* New function `add_hook()` to hook into the callr process startup and
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options. This is for experts and it is also currently experimental
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(#203, @klmr).
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# callr 3.7.1
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* When copying existing startup files, an additional newline is appended to
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protect against a missing newline at the end of the file. This would
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cause R ignore that line (#205).
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* Serialization of objects passed between sessions now uses `compress=FALSE`
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by default. The default can be changed by setting the
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`callr.compress_transport` option (#223, @dfalbel).
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* We have revamped callr's error objects, with lots of improvements to the
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output.
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# callr 3.7.0
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* Reporting errors is much faster now (#185).
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* The `user_profile` option of `r_vanilla()` defaults to `FALSE` now (#194).
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* It is now possible to set R environment variables (`R_ENVIRON_USER`,
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`R_PROFILE_USER`, etc.) via the `env` argument (#193).
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# callr 3.6.0
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* callr now supports starting an R process with a different architecture,
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so on Windows 64-bit R can start a 32-bit R background process, and
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vice-versa (#95).
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* callr now handles symbolic arguments properly, and does not evaluate them.
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E.g. `callr::r(function(x) x, list(quote(foobar)))` works now (#175).
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* `callr::r_session` does not leak file descriptors now in the sub-process
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(#184).
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# callr 3.5.1
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* `callr::r_session` now handles large messages from the subprocess
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well (#168).
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# callr 3.5.0
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* callr can now pass the environment of the function to the subprocess,
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optionally. This makes it easier to call an internal function of a
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package in a subprocess. See the `package` argument of `r()`, `r_bg()`,
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`r_session$run()`, etc. (#147).
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# callr 3.4.4
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* An `r_session` now exits if the load hook errors. This generates an error
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if the session is started with `wait = TRUE`. For `wait = FALSE` the
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first `$read()` operation will return with an error (#162).
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# callr 3.4.3
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* `default_repos()` now returns a list if `getOption("repos")` is a list,
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and a vector otherwise, on R 4.x.y as well.
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# callr 3.4.2
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* Improved error messages. Error messages are now fully printed after
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an error. In non-interactive sessions, the stack trace is printed as well.
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# callr 3.4.1
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* callr is now more careful when loading the local `.Rprofile` in the
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subprocess. This fixes issues with packrat and renv that use `.Rprofile`
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for setup (#139).
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* callr functions fail early if environment file is missing (#123, @jdblischak)
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# callr 3.4.0
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* All callr functions and background processes properly clean up
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temporary files now (#104).
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* callr now uses a more principled setup for the library path, and
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restores the related environment variables in the child process.
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This is a **breaking change** if you relied on having the library set
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in a `system()` subprocess of the callr subprocess (#114).
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* Better printing of `rlang_error`s that happened in the subprocess.
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* The stacking of error objects is slightly different now, as we keep the
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unmodified error from the subprocess in `$parent$error`.
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* callr now loads `.Rprofile` files from the current working directory
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by default. This works better with packrat, renv, and other software
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that relies on a local profile for initialization (#131).
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# callr 3.3.2
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No user visible changes in this version.
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# callr 3.3.1
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* `r_session` now avoids creating `data` and `env` objects in the global
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environment of the subprocess.
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* New `$debug()` method for `r_session` to inspect the dumped frames
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in the subprocess, after an error.
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# callr 3.3.0
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* callr now sets the `.Last.error` variable for every uncaught callr
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error to the error condition, and also sets `.Last.error.trace` to its
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stack trace. If the error originates in the subprocess, then `.Last.error`
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is a hierarchical error object, and `.Last.error.trace` merges the
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traces from the two processes. See the `README.md` for an example.
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* New `$traceback()` method for `r_session`, to run `traceback()` in the
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subprocess, after an error.
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* A callr subprocess now does not load any R packages by default.
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* New vignette, that showcases `r_session`.
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# callr 3.2.0
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* `r()`, `rcmd()` and `rscript()` can now redirect the standard error of
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the subprocess its standard output. This allows to keep them correctly
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interleaved. For this, you need to either set the `stderr` argument to
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the special string `"2>&1"`, or to the same output file as specified
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for `stdout`.
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* `r()`, `rcmd()` and `rscript()` now pass `...` arguments to
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`processx::run()`. `r_bg()` and `rcmd_bg()` pass `...` arguments to
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the `processx::process` constructor. For `r_process`, `rcmd_process`
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and `rscript_process` extra arguments can be specified as `options$extra`,
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these are also passed to the `processx::process` constructor (#100).
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# callr 3.1.1
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* `r()`, `r_bg()`, etc. now handle messages from the cliapp package
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properly. They used to make the R session exit.
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* Better default for the `repos` option in callr subprocesses. callr no
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longer creates duplicate "CRAN" entries. By default the new
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`default_repos()` function is used to set `repos` in the subprocess.
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# callr 3.1.0
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* New `rscript()` function and `rscript_process` class to execute
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R scripts via `Rscript` (#40, #81).
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* Library paths are now correctly set up for `system()` (and similar)
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calls from the callr subprocesses (#83, #84).
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* Pass `options("repos")` to the child process as is, without checking.
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Closes #82.
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* `r_session$run_with_output()` now returns an S3 object with class
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`callr_session_result`.
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* `r_session$run*()` handle interrupts properly. It tries to interrupt
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the background process fist, kills it if it is not interruptible,
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and then re-throws the interrupt condition, going back to the top level
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prompt if the re-thrown condition is uncaught.
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# callr 3.0.0
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* New `r_session` class: a background R session you can send commands to
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(#56).
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* Rewrote passing the library path to the subprocess (#73, #75)
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* Retain names of the `repos` option (#67, @jennybc)
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# callr 2.0.4
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* pkgdown web site at https://callr.r-lib.org (#52, #53).
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* callr users `.Renviron` files now (and `R_ENVIRON_USER` as well),
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but overrides the library path, as requested in `r()`, etc. (#30).
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* callr now handles the case when the subprocess calls `quit()`.
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* callr now uses the processx package, instead of embedded code,
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to create and control processes.
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# callr 2.0.3
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* The default behavior on error can be set now with the `callr.error`
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option.
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* Better error message if the child R process crashes or gets killed. (#41)
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* `r_bg` and `rcmd_bg` now have the `supervise` option (#45).
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# callr 2.0.2
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* Fix a bug with R-devel, caused by the change on 2018-02-08:
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https://github.com/wch/r-source/commit/924582943706100e88a11d6bb0585d25779c91f5
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#37, #38
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* Fix a race condition on Windows, when creating named pipes for `stdout`
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or `stderr`. The client sometimes didn't wait for the server, and callr
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failed with ERROR_PIPE_BUSY (231, All pipe instances are busy).
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# callr 2.0.1
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* Fix compilation issues on Solaris
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* Fix a test failure on macOS
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# callr 2.0.0
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* Run R or `R CMD` in the background, see `r_bg()`, `rcmd_bg()`,
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and also `r_process` and `rcmd_process`
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* The defaults for `r()` are safer now, the match the defaults of
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`r_safe()`. `r_safe()` is kept for compatibility. `r_copycat()` has the
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old `r()` defaults.
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* The defaults for `rcmd()` are safer now, the match the defaults of
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`rcmd_safe()`. `rcmd_safe()` is kept for compatibility. `rcmd_copycat()`
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has the old `rcmd()` defaults.
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* Support block callbacks, in addition to line callbacks. Block callbacks
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are called for arbitrary chunks of output, even without a newline
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* Add `spinner` argument to show a spinner in `r()` or `rcmd()`
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* Support timeouts, via the `timeout` argument
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* Fix bug when `stdout` and `stderr` are redirected to the same file
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* `rcmd_safe_env()` to allow extending the environment variables set in
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safe mode
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* `rcmd()` gets a `fail_on_status` argument
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* `rcmd()` gets an `echo` argument to potentially show the command to be
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run on the screen (#15)
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* `rcmd()` gets a `wd` argument to set the working directory
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# callr 1.0.0
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First public release.
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