Unresolved Variable

This inspection highlights unresolved variables.

A variable reference is highlighted as unresolved under these conditions:

  • it was not previously declared in the file, a sourced file or a file sourcing the file containing the reference
  • it’s not a built-in or predefined variable. For example $PATH is a built-in variable and $HOME is a predefined variable.
  • it’s not included in the list of project variables.

Configuration

Highlight UPPER_CASE variables
If this is enabled, then this inspection will also highlight variables only consisting of uppercase characters. By default, these variables are excluded. That’s the same behaviour as implemented in ShellCheck.
Highlighting of an unresolved variable reference
Highlighting of an unresolved variable reference
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