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readbulk is an R package that facilitates loading multiple data files with a similar structure and combining them into a single data.frame, using the read_bulk function. It wraps most common R functions for reading data, retaining the flexiblity of the available tools.

For (experimental) psychologists, the package provides the read_opensesame function which wraps the above, providing the appropriate defaults for loading the many files created by OpenSesame.

General Information

The readbulk package was developed by Pascal Kieslich, with contributions by Felix Henninger. It is published under the GNU General Public License (version 3).

An overview of the functions in this package can be found online. Please see news for a summary of changes in the package.


The current stable version is available on CRAN and can be installed via install.packages("readbulk").


If you would like to cite the readbulk package in your published research, you can cite is as follows:

Kieslich, P. J., & Henninger, F. (2016). Readbulk: An R package for reading and combining multiple data files.