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oam/knowledge base/trap.md
2022-05-15 00:24:53 +02:00

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# Trap
## TL;DR
```sh
# 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