---
title: "percol to pick lines"
seo_description: "How to use percol to pick lines mid pipe"
date: 2023-05-16T15:37:29+02:00
draft: false
snippet_types:
- percol
---

Deep in a emac tutorial I discovered this hidden gem.

> "percol adds flavor of interactive selection to the traditional pipe concept on UNIX."

[project github](https://github.com/mooz/percol)

You can simply place it in the middle of a pipe and pick the options you want. 

Example: 

```shell
$ BUCKET="s3://cool-bucket" aws s3 ls $BUCKET | awk '{print $4}' | percol |sed "s;^;${BUCKET}/;" | xargs aws s3 rm
delete: ...
```

{{< asciicast-with-caption id="585386" title="demo" >}}