Hi all,

I am pleased to announce that WriteXLS version 5.0.0 is now available on CRAN:

  https://cran.r-project.org/web/packages/WriteXLS/index.html

This supersedes version 4.1.0 and should appear on your local CRAN mirror in 
due course, if not there already.

WriteXLS, first released in 2009, is a cross-platform, Perl-based R function to 
create Excel 2003 (XLS) and Excel 2007 (XLSX) files from one or more data 
frames. 

The primary change in this major new version is improved support for 
Unicode/UTF-8 variable width character sets, especially on Windows. This is 
accomplished via the use of writeLines(..., useBytes = TRUE), rather than 
write.table(), to create intermediate CSV files from the source R data frames. 
These exported CSV files are then parsed by Perl scripts to create the 
resultant Excel file.

The prior use of write.table() to create the CSV files could result in the 
re-encoding of the content of the CSV files into the locale of the computer 
upon which the code is running. This could result in the loss of the source 
character encoding used in the originating R data frames, where variable width 
character sets are in use. This was primarily an issue on Windows, given the 
limitations of Unicode/UTF-8 support on that OS.

I want to thank Hamid Moshen for first raising this issue in late March, 
providing test datasets in multiple Unicode/UTF-8 character sets that I could 
use to reproduce and correct the issues, and his testing of the changes 
required.

Warm regards,

Marc Schwartz

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