Spreadsheet
~~~~~~~~~~~


+ `read_csv`_ reads comma-separated value file
+ `readxls`_ reads an Excel file
+ `write_csv`_ writes comma-separated value file
+ `xls_open`_ opens an Excel file for reading
+ `xls_read`_ reads a sheet in an Excel file


.. _xls_read: xls_read.html
.. _xls_open: xls_open.html
.. _read_csv: read_csv.html
.. _readxls: readxls.html
.. _write_csv: write_csv.html