From 0c2a1363f154be65c20dc5dc42c0a41f7caf8da9 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Mon, 30 Oct 2023 19:07:08 +0100
Subject: Halloween blog post

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 .../spooky-shell-expansion.md                      | 47 ++++++++++++++++++++++
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 create mode 100644 src/blog/2023-10-31-spooky-shell-expansions/spooky-shell-expansion.md

diff --git a/src/blog/2023-10-31-spooky-shell-expansions/spooky-shell-expansion.md b/src/blog/2023-10-31-spooky-shell-expansions/spooky-shell-expansion.md
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+# Spooky shell expansions
+
+*Let me tell you a story to chill the bones*  
+*One that happened to me long time ago*
+
+*It was a dark and cold night*  
+*Plague spreading outside*  
+
+*In the summer of '20*  
+*I was hacking alone*  
+*A little program I wanted to install*  
+*Not in `/usr/local`, but in my `$HOME`*
+
+*Young and foolish I was*  
+*As I changed the Makefile*  
+*`PREFIX = ~/.local`*  
+*And then `make` I typed*
+
+*That did not work, of course*  
+*And I soon realized*  
+*A new folder named `~`*  
+*Had shown up in my `$HOME`*
+
+*"How foolish I was" - I thought*  
+*"That must not work,*  
+*A Makefile won't expand*  
+*As a shell script sure does"*
+
+*A folder named `~`*  
+*When left alone,*  
+*Is no reason to fear*  
+*Does no harm at all*  
+
+*But care must be taken*  
+*And alas, I did not*  
+*Soon to learn the hard way*  
+*What a `~` gives, a `~` takes away*
+
+*"Let this be undone!" I exclaimed*
+
+*As I typed*
+
+*Four little bytes*  
+
+```
+$ rm ~
+```
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