Lint PowerShell With PSScriptAnalyzer

Detect risky patterns and style problems before code review.

WindowsautomationdeveloperpowershelllintLow risk

Run Invoke-ScriptAnalyzer -Path . -Recurse to list rule violations.

01Command

Command

$ Invoke-ScriptAnalyzer -Path . -Recurse

02What it does

PSScriptAnalyzer applies rules for security, correctness and style, such as avoiding Invoke-Expression and using approved verbs. Running it recursively returns findings that CI can fail on, which is far more consistent than manual review and is naturally a command-line task.

03Risk

RiskLow risk

RequirementsInstall-Module PSScriptAnalyzer -Scope CurrentUser

!Warning: Treat analyzer output as guidance; legitimate code sometimes needs a documented rule suppression.

04Undo

✓No undo needed — this command does not change persistent state.

05Sources

PSScriptAnalyzer overview
Microsoft Learn · vendor-doc · 2026-09-20
Evidence: Static analysis module that flags rule violations in PowerShell code.

Last verified: 2026-10-13 · Category: Developer

06Related solutions

Install any app from the command line with winget

WindowssystemTerminaldeveloper

Use Windows Package Manager to install, search, and upgrade thousands of applications from the community repository in one command.

Low risk ✓ 2026-09-17

Fix 'scripts is disabled on this system' with Set-ExecutionPolicy

WindowsTerminaldevelopersecurity

Understand PowerShell's execution policy scopes and set the one that lets you run your own local scripts without gutting the security model.

Medium risk ✓ 2026-09-17

Grep on Windows: Select-String

Windowssearchtextpowershell

Search inside text files and logs with regex, returning file, line number and match.

Low risk ✓ 2026-09-17