Efficient Data Filtering and Aggregation Using Grep R package grepreaper version 0.1.1 Provides an interface to the system-level 'grep' utility for efficiently reading, filtering, and aggregating data from multiple flat files. By pre-filtering data at the command line before it enters the R environment, the package reduces memory overhead and improves ingestion speed. Includes functions for counting records across large file systems and supports recursive directory searching. Software Imports: data.table, methods Suggests: ggplot2, knitr, rmarkdown Akshat Maurya <codingmaster902@gmail.com> Comprehensive R Archive Network (CRAN) David Shilane [aut], Atharv Raskar [aut], Akshat Maurya [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=grepreaper/LICENSE) 2026-03-28 application/tgz https://CRAN.R-project.org/package=grepreaper doi:10.32614/CRAN.package.grepreaper