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---
name: zet
description: zet — CLI utility for set operations (union, intersection, difference) on lines
---
# zet Plugin
zet — CLI utility for set operations (union, intersection, difference) on lines from files or stdin.
## Quickstart
zet performs set operations (union, intersection, difference, and symmetric difference) on lines from files or stdin.
```bash
# Union of two files
zet union file1.txt file2.txt
# Intersection
zet intersect file1.txt file2.txt
# Difference (lines in A but not in B)
zet diff file1.txt file2.txt
# Symmetric difference
zet symdiff file1.txt file2.txt
```
