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# CHANGES IN xfun VERSION 0.31
- `github_releases(use_jsonlite = FALSE)` supports R versions below 4.1.0 now.
- `session_info()` silently drops empty package names now (thanks, @phargarten2, #65).
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# CHANGES IN xfun VERSION 0.30
- Added a new function `is_blank()` (previously existed in **knitr**)
to test if all elements of a character vector are blank (white
spaces or empty strings).
- Added a new argument `error = TRUE` to `existing_files()`.
# CHANGES IN xfun VERSION 0.29
- `github_releases()` can fetch all releases (tags) of a Github repo
now.
- Added an argument `.error` to `download_file()` so that users can
customize the error message when the download fails.
- Added functions `rest_api_raw()` and `rest_api()` to get data from a
REST API; also added the function `github_api()` to get data from
the Github API based on `rest_api_raw()`.
- Added a wrapper function `system3()` based on `system2()` to mark
the character output of `system2()` as UTF-8 if appropriate.
- Added a function `existing_files()` to return file paths that exist
(a shorthand of `x[file.exists(x)]`).
- Added a function `read_all()` to read multiple files and concatenate
the content into a character vector.
- `url_accessible()` uses `curlGetHeaders()` by default (instead of
`download_file()`) to test if a URL is accessible when the **curl**
package is not available.
- When `options(xfun.rev_check.compare = FALSE)`, `rev_check()` will
run `R CMD check` on reverse dependencies against a source package
but not the CRAN version of this package. By default, this option is
`TRUE`, meaning that `R CMD check` will run against both versions of
the package.
# CHANGES IN xfun VERSION 0.28
- Added a new function `url_accessible()` to test if a URL can be
downloaded.
- Added a new function `try_error()` to try an expression and see if
it throws an error.
# CHANGES IN xfun VERSION 0.27
- Exported and documented the function `xfun::base_pkgs()` (to return
base R package names).
- Changed the default value of the `status_only` argument of
`compare_Rcheck()` from `FALSE` to `TRUE`.
- Added new functions `crandalf_check()` and `crandalf_results()` for
checking (especially large numbers of) reverse dependencies of
packages via [**crandalf**](https://github.com/yihui/crandalf).
- Added new functions `append_utf8()` and `append_unique()` based on
`read_utf8()` and `write_utf8()` to append content to files or
connections.
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All checksums have been double-checked against existing RMD160 and
SHA512 hashes
Could not be committed due to merge conflict:
devel/py-traitlets/distinfo
The following distfiles were unfetchable (note: some may be only fetched
conditionally):
./devel/pvs/distinfo pvs-3.2-solaris.tgz
./devel/eclipse/distinfo eclipse-sourceBuild-srcIncluded-3.0.1.zip
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# CHANGES IN xfun VERSION 0.26
- The `windows_only` argument of `native_encode()` has been
removed. Now `native_encode()` only tries the conversion to native
encoding on platforms where `l10n_info()[['UTF-8']]` does not return
`TRUE`.
- Added a `solaris` argument to `upload_win_builder()`.
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# CHANGES IN xfun VERSION 0.25
- Fixed a bug in `broken_packages()` (thanks, @PythonCoderUnicorn,
rstudio/rmarkdown#1990).
- Added a `files` argument to `optipng()` so that users can specify
the list of PNG files instead of running `optipng` on a whole
directory.
# CHANGES IN xfun VERSION 0.24
- Exported the internal function `broken_packages()` to reinstall
broken R packages.
- Fixed the bug in `proj_root()` #54 (thanks, @clarkliming).
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# CHANGES IN xfun VERSION 0.23
## NEW FEATURES
- Added a `tinify()` function to compress PNG/JPEG images via [the Tinify API](https://tinypng.com/developers).
- Added a `news2md()` function to convert package news to the Markdown format. This is mainly for converting the plain-text `NEWS` file and the `NEWS.Rd` file to `NEWS.md`.
- Added a `format_bytes()` function to format numbers of bytes using a specified unit, e.g., `1024` can be formatted as `1 Kb`.
- When using `pkg_load2()` in an **renv** project, it will use `renv::install()` to install missing packages by default to take advantage of **renv**'s caching feature (thanks, @chunyunma @cderv, #52).
- `upload_win_builder()` no longer requires the system command `curl` to be available; if `curl` is not available, the R package **curl** will be used instead, which means this R package must be installed. In addition to uploading to the `ftp` server of win-builder, it's also possible to upload to <https://win-builder.r-project.org/upload.aspx>: call `upload_win_builder(..., server = 'https')`. This change was made so that it would be possible to continue to upload to win-builder in case it should stop supporting `ftp` (CRAN has discouraged package authors from using `ftp://`).
## BUG FIXES
- Backticks are added to math environments by mistake when `\begin{}` and `\end{}` do not match (thanks, @oliviergimenez, #51).
## MINOR CHANGES
- The argument `src` was renamed to `pkg` in `install_dir()`.
- The argument `file` of `upload_win_builder()` defaults to `pkg_build()` now, i.e., by default, it will build a source package and upload it, so you do not need to build the package separately.
# CHANGES IN xfun VERSION 0.22
## NEW FEATURES
- `relative_path()` is vectorized now.
- Added a new function `retry()` to retry calling a function for a number of times in case of errors.
- Added a new function `sort_file()`, which is a shorthand for `process_file(fun = sort)` to sort the lines in a text file.
## MAJOR CHANGES
- The argument `FUN` was renamed to `fun` in `process_file()`.
## MINOR CHANGES
- Inside `download_file()`, the `timeout` option in `options()` is set to 3600 seconds when it takes the default value of 60 seconds, which may not be enough for downloading large files (thanks, @matthewgson, yihui/tinytex#286).
# CHANGES IN xfun VERSION 0.21
## NEW FEATURES
- Added a new function `pkg_available()` to test if a package with a minimal version is available (thanks, @cderv, #45).
- Added a new function `set_envvar()` to set environment variables and return their old values, so they could be restored later.
- Added a new function `exit_call()` to call a function when a parent function exits.
- Exported the internal function `read_bin()`.
- Added an argument `verbose` to `bg_process()`.
- `Rscript_call()` gains an `options` argument to pass command-line options to `Rscript` (thanks, @cderv, #48).
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# CHANGES IN xfun VERSION 0.20
## NEW FEATURES
- Added a function `msg_cat()` to generate a message with `cat()`. See
the help page `?xfun::msg_cat` for more information.
- Added a function `mark_dirs()` to mark directories with a trailing
slash in a vector of paths to differentiate them from normal
filenames (#44).
## BUG FIXES
- `xfun::proc_kill()` failed to work on *nix.
- `xfun::del_empty_dir()` failed to delete empty dirs.
- `xfun::file_string()` preserves emptiness (thanks, @MichaelChirico,
#38).
- `xfun::raw_string()` preserves the class(es) of the input now
(thanks, @MichaelChirico, #40).
## MINOR CHANGES
- Exported the function `dir_create()`.
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# CHANGES IN xfun VERSION 0.19
## NEW FEATURES
- Added functions `bg_process()` to run a command in a background
process, and `proc_kill()` to kill a process.
- Added a function `del_empty_dir()` to delete a directory if it is
empty.
- Added functions `is_abs_path()` and `is_rel_path()` to check if
paths are absolute or relative.
- Added a function `is_sub_path()` to test if a path is under a
directory.
- Added a function `is_web_path()` to test if a path is a web path
that starts with `http://` or `https://` or `ftp://` or `ftps://`.
- Documented and exported the previously internal functions
`dir_exists()` and `file_exists()` (thanks, @cderv, #36).
- Added a function `dir_create()` to create a directory recursively by
default when it does not exist.
- Added an argument `fail` to `Rscript_call()` to allow users to
customize the error message when an error occurred in calling the
function in a new R session.
## MINOR CHANGES
- `file_ext()`, `sans_ext()`, and `with_ext()` no longer use
`tools::file_ext()` or `tools::file_path_sans_ext()`, but provide a
slightly different implementation. They treat `tar.(gz|bz2|xz)` and
`nb.html` as file extensions, and also allow extensions to contain a
trailing `~` or `#`.
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# CHANGES IN xfun VERSION 0.18
## NEW FEATURES
- Added a function `grep_sub()` to perform replacement with `gsub()` on elements
matched from `grep()`.
- Added a function `github_releases()` to obtain the tags from the Github
releases of a repo.
- Added a function `bump_version()` to increase the last digit of version
numbers by one.
- Moved a function `process_file()` from the **blogdown** package to this
package, and documented it.
- Added a function `valid_syntax()` to check if an R code fragment is
syntactically valid. This function was moved from the **highr** package.
- Added a function `url_filename()` to extract filenames from URLs.
This function is used by `download_file()` to determine the default
output filename.
- Added a function `do_once()` to perform a task once in an R session.
- Added a function `proj_root()` to find the root directory of a project.
Currently it only supports R package projects and RStudio projects by default.
- Added a function `relative_path()` to calculate the relative path of a path
relative to a directory.
- Added a function `from_root()`, which is similar to `here::here()` but
returns a relative path instead of an absolute path.
- Added a function `magic_path()` that, given an incomplete input path,
tries to find the actual path recursively under subdirectories of a root
directory. For example, users may only provide a base filename, and
`magic_path()` will look for this file under subdirectories and return
the actual path if it is found.
## MINOR CHANGES
- Now `download_file()` tries the download method `winnet` first (previously
it was `libcurl`) on Windows (thanks, @cderv, #33).
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# CHANGES IN xfun VERSION 0.17
## NEW FEATURES
- Supports `xfun::pkg_attach(packages, install = "pak")`, i.e., use `pak::pkg_install()` to install a package when it is not installed (thanks, @GitHunter0, #32).
- Added a new function `xfun::split_source()` to split lines of R source code into minimal complete expressions.
# CHANGES IN xfun VERSION 0.16
- Added a new function `base64_decode()` to decode data from the base64 encoding (thanks, @wush978, #31).
# CHANGES IN xfun VERSION 0.15
## NEW FEATURES
- Added a new function `tree()`, which is based on `str()` in base R, but changes the output of `str()` into a tree diagram to make it easier to understand nested data structures.
- Added a new function `base64_encode()` to encode data into the base64 encoding (thanks, @wush978, #27).
- Added a new function `base64_uri()` to generate the Data URI (or Data URL) for a file.
## BUG FIXES
- Fenced code blocks commented out in `<!-- -->` are not longer recognized as code blocks but prose (thanks, @jarauh, #25).
# CHANGES IN xfun VERSION 0.14
## NEW FEATURES
- The `cache_rds()` function can invalidate the cache automatically when the code passed to its `expr` argument has changed. Two new arguments, `hash` and `clean` were added to this function to make it more useful and powerful. See the help page `?xfun::cache_rds()` for more information.
# CHANGES IN xfun VERSION 0.13
## NEW FEATURES
- Added a new function `cache_rds()` to cache an R expression to a `*.rds` file.
- Added a new function `Rscript_call()` to call a function (with arguments) in a new R session via the command `Rscript`.
- The `recheck` argument of `rev_check()` can take a vector of package names, and only these packages will be checked. See `?xfun::rev_check` for more details.
# CHANGES IN xfun VERSION 0.12
## NEW FEATURES
- Added a new function `split_lines()`.
# CHANGES IN xfun VERSION 0.11
## BUG FIXES
- `read_utf8()` will read the file with `options(encoding = 'native.enc')` and ignore user's setting such as `options(encoding = 'UTF-8')` (#21).
# CHANGES IN xfun VERSION 0.10
## NEW FEATURES
- Added the function `as_strict_list()` to convert an existing object to a strict list without wrapping it in another list if the object already is of type list (in contrast to how `strict_list()` behaves) (thanks, @salim-b, #20).
# CHANGES IN xfun VERSION 0.9
## NEW FEATURES
- Added a function `rename_seq()` to rename files to add an incremental numeric prefix to the filenames, e.g., rename `a.txt`, `b.txt`, `c.txt` to `1-a.txt`, `2-b.txt`, `3-c.txt`.
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The canonical form [1] of an R package Makefile includes the
following:
- The first stanza includes R_PKGNAME, R_PKGVER, PKGREVISION (as
needed), and CATEGORIES.
- HOMEPAGE is not present but defined in math/R/Makefile.extension to
refer to the CRAN web page describing the package. Other relevant
web pages are often linked from there via the URL field.
This updates all current R packages to this form, which will make
regular updates _much_ easier, especially using pkgtools/R2pkg.
[1] http://mail-index.netbsd.org/tech-pkg/2019/08/02/msg021711.html
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Miscellaneous functions commonly used in other packages maintained by
'Yihui Xie'.
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