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undomanager: Manage the History of Any Object with Undo/Redo Operations

Track the history of any R object and move through it with undo and redo operations. Anything can be stored, from a single number to a data frame or an entire application state. A manager can restrict its history to specific classes and cap how many items it keeps, and it can be reactive to integrate with 'Shiny'.

Version: 0.1.0
Depends: R (≥ 4.0.0)
Imports: checkmate, R6
Suggests: testthat (≥ 3.0.0), shiny
Published: 2026-09-12
DOI: 10.32614/CRAN.package.undomanager
Author: Dean Attali ORCID iD [aut, cre]
Maintainer: Dean Attali <daattali at gmail.com>
BugReports: https://github.com/daattali/undomanager/issues
License: MIT + file LICENSE
URL: https://github.com/daattali/undomanager
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: undomanager results

Documentation:

Reference manual: undomanager.html , undomanager.pdf

Downloads:

Package source: undomanager_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): undomanager_0.1.0.tgz, r-release (x86_64): undomanager_0.1.0.tgz, r-oldrel (x86_64): undomanager_0.1.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=undomanager to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.