From c120ed6e50b2ef1df9804d8ee6267fc1df13e6e8 Mon Sep 17 00:00:00 2001
From: Michele Cereda <cereda.michele@gmail.com>
Date: Sun, 1 May 2022 11:02:41 +0200
Subject: [PATCH] Added trap notes to the knowledge base

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 knowledge base/trap.md | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 knowledge base/trap.md

diff --git a/knowledge base/trap.md b/knowledge base/trap.md
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+# Trap
+
+## TL;DR
+
+```shell
+# Run a command or function on exit, kill or error.
+trap "rm -f $tempfile" EXIT SIGTERM ERR
+trap function-name EXIT SIGTERM ERR
+
+# Disable CTRL-C
+trap "" SIGINT
+
+# Re-enable CTRL-C
+trap - SIGINT
+```
+
+## Sources
+
+- [Using Bash traps in your scripts]
+- [The Bash trap command]
+
+[the bash trap command]: https://www.linuxjournal.com/content/bash-trap-command
+[using bash traps in your scripts]: https://opensource.com/article/20/6/bash-trap