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+## Use [ ] to compare values, or remove spaces around = to assign (or quote '=' if literal).
+
+### Problematic code:
+
+```sh
+# Assignment
+var = value
+
+# Comparison
+if $var = value
+then
+  echo "Match"
+fi
+```
+
+### Correct code:
+
+```sh
+# Assignment
+var=value
+
+# Comparison
+if [ "$var" = value ]
+then
+  echo "Match"
+fi
+```
+
+### Rationale:
+
+ShellCheck found an unquoted `=` after a word.
+
+If this was supposed to be a comparison, use square brackets: `[ "$var" = value ]`
+
+If this was supposed to be an assignment, remove spaces around `=`: `var=value`
+
+### Exceptions:
+
+If the `=` was meant literally, quote it:
+
+    grep '=true' file.cfg
+
+### Related resources:
+
+* Help by adding links to BashFAQ, StackOverflow, man pages, POSIX, etc!
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