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# rio 0.5.27
* Documentation fixes for CRAN.
# rio 0.5.26
* Added support for "zsav" format. (#273)
# rio 0.5.25
* Modified tests per email request from CRAN.
* Added `coerce_character` argument (default FALSE) to `factorize()`
to enable coercing character columns to factor. (#278)
# rio 0.5.24
* Fix handling of "label" and "labels" attributes when exporting using
haven methods (SPSS, Stata, SAS). (#268, h/t Ruben Arslan)
* Fix (a different bug?) handling factors by haven::labelled() (#271,
Alex Bokov)
* HTML import can now handle multiple tbody elements within a single
table, a th element in a non-header row, and empty elements in
either the header or data. (#260, #263, #264 Bill Denney)
# rio 0.5.23
* CSVY support is now provided by `data.table::fread()` and
`data.table::fwrite()`, providing significant performance gains.
* Added an internal `arg_reconcile()` function to streamline the task
of removing/renaming arguments for compatibility with various
functions (#245, Alex Bokov)
# rio 0.5.22
* Added an `export_list()` function to write a list of data frames to
multiple files using a vector of file names or a file
pattern. (#207, h/t Bill Denney)
* Added an `is_file_text()` function to determine whether a file is in
a plain-text format. Optionally narrower subsets of characters can
be specified, e.g. ASCII. (#236 Alex Bokov)
# rio 0.5.21
* Added support for Apache Arrow (Parquet) files. (#214)
* Fix dropping of variable label in `characterize()` and
`factorize()`. (#204, h/t David Armstrong)
* `import_list()` now returns a `filename` attribute for each data
frame in the list (when importing from multiple files), in order to
distinguish files with the same base name but different extensions
(e.g., `import_list(c("foo.csv", "foo.tsv"))`). (#208, h/t Vimal
Rawat)
* Import of DBF files now does not convert strings to factors. (#202,
h/t @jllipatz)
* Implemented `import()` method for .dump R files. (#240)
# rio 0.5.20
* Additional pointers were added to indicate how to load .doc, .docx,
and .pdf files (#210, h/t Bill Denney)
* Ensure that tests only run if the corresponding package is
installed. (h/t Bill Denney)
* Escape ampersands for html and xml export (#234 Alex Bokov)
# rio 0.5.19
* Fix behavior of `export()` to plain text files when `append = TRUE`
(#201, h/t Juli叩n Urbano)
* `import_list()` now preserve names of Excel sheets, etc. when the
'which' argument is specified. (#162, h/t Danny Parsons)
* Modify message and errors when working with unrecognized file
formats. (#195, h/t Trevor Davis)
* Add support for GraphPad Prism .pzfx files (#205, h/t Bill Denney)
# rio 0.5.18
* Adjust `import()`/`export()` for JSON file formats to allow non-data
frame objects. Behavior modeled after RDS format. (#199 h/t Nathan
Day)
# rio 0.5.17
* Fix `the condition has length > 1 and only the first element will be
used` warning in `gather_attributes()`. (#196, h/t Ruben Arslan)
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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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Streamlined data import and export by making assumptions that the user
is probably willing to make: 'import()' and 'export()' determine the
data structure from the file extension, reasonable defaults are used
for data import and export (e.g., 'stringsAsFactors=FALSE'), web-based
import is natively supported (including from SSL/HTTPS), compressed
files can be read directly without explicit decompression, and fast
import packages are used where appropriate. An additional convenience
function, 'convert()', provides a simple method for converting between
file types.
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