← Back to tools
View AGENTS.md for anew
anew
Add new lines to files, skipping duplicates
Description
anew is a tool for adding new lines to files while skipping duplicates. It reads from stdin and appends only lines that don't already exist in the output file, useful for building unique lists.
AI Summary
Append unique lines to files while skipping existing duplicates
Capabilities
- + Append new lines to files
- + Skip lines that already exist
- + Build unique line collections
Use When
- → When building deduplicated lists incrementally
- → When appending only new data to files
Avoid When
- x When you need to remove duplicates from existing files