add the old snippet md files

old_snippets/percol-to-pick-lines.en.md

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+---
+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" >}}