From bf89411aaf07523516a6d6fe4e21072bbae0a9e9 Mon Sep 17 00:00:00 2001
From: Vidar Holen <vidar@vidarholen.net>
Date: Thu, 8 Nov 2018 10:03:32 +0800
Subject: [PATCH] Created SC2240 (markdown)

---
 SC2240.md | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 SC2240.md

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+## The dot command does not support arguments in sh/dash. Set them as variables.
+
+### Problematic code:
+
+```sh
+#!/bin/sh
+. include/myscript example.com 80
+```
+
+### Correct code:
+
+```sh
+#!/bin/sh
+host=example.com port=80 . include/myscript 
+```
+### Rationale:
+
+In Bash and Ksh, you can use `. myscript arg1 arg2..` to set `$1` and `$2` in the sourced script.
+
+This is not the case in Dash, where any additional arguments are ignored, or in POSIX sh where the behavior is unspecified.
+
+Instead, assign arguments to variables and rewrite the sourced script to read from them.
+
+### Exceptions:
+
+None.
+
+### Related resources:
+
+* Help by adding links to BashFAQ, StackOverflow, man pages, POSIX, etc!
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