percol is an interactive grep tool in your terminal.
percol receives input lines from stdin or a file, lists up the input lines, waits for your input that filter/select the line(s), and finally outputs the selected line(s) to stdout.
This is free and open source software.
Key Features
- Efficient: With lazy loads of input lines and query caching, percol handles huge inputs efficiently.
- Customizable: Through configuration file (rc.py), percol’s behavior including prompts, keymaps, and color schemes can be heavily customizable.
- Migemo support: By supporting C/Migemo, percol filters Japanese inputs fast.
Website: github.com/mooz/percol
Support: Blog
Developer: Masafumi Oyamada
License: MIT License

percol is written in Python. Learn Python with our recommended free books and free tutorials.
Related Software
| Small Console Menu Utilities | |
|---|---|
| fzf | General-purpose fuzzy finder for your shell |
| percol | Interactive grep tool in your terminal |
| pdmenu | Console menu program |
| sentaku | Pipe at the command line into sentaku, and it presents a full-screen menu |
| pmenu | Dynamic terminal-based menu inspired by dmenu |
| tmenu | Dynamic menu for tty devices |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Know a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

