PowerShell/docs/check-apps.md

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Script: *check-apps.ps1*
========================
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This PowerShell script queries the installed applications and prints it.
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Parameters
----------
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```powershell
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PS> ./check-apps.ps1 [<CommonParameters>]
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[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
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Example
-------
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```powershell
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PS> ./check-apps.ps1
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✅ 119 Windows apps installed, 11 upgrades available
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```
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Notes
-----
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Author: Markus Fleschutz | License: CC0
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Related Links
-------------
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https://github.com/fleschutz/PowerShell
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Script Content
--------------
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```powershell
<#
.SYNOPSIS
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Query the app status
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.DESCRIPTION
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This PowerShell script queries the installed applications and prints it.
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.EXAMPLE
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PS> ./check-apps.ps1
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✅ 119 Windows apps installed, 11 upgrades available
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.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
try {
if ($IsLinux) {
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Write-Progress "Querying installed applications..."
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$numPkgs = (apt list --installed 2>/dev/null).Count
$numSnaps = (snap list).Count - 1
Write-Progress -Completed "."
Write-Host "✅ $numPkgs Debian packages, $numSnaps snaps installed"
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} else {
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Write-Progress "Querying installed applications..."
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$Apps = Get-AppxPackage
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Write-Progress -Completed "."
Write-Host "✅ $($Apps.Count) Windows apps installed, " -noNewline
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[int]$NumNonOk = 0
foreach($App in $Apps) { if ($App.Status -ne "Ok") { $NumNonOk++ } }
if ($NumNonOk -gt 0) { $Status += ", $NumNonOk non-ok" }
[int]$NumErrors = (Get-AppxLastError)
if ($NumErrors -gt 0) { $Status += ", $NumErrors errors" }
$NumUpdates = (winget upgrade --include-unknown).Count - 5
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Write-Host "$NumUpdates upgrades available"
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}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
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*(generated by convert-ps2md.ps1 using the comment-based help of check-apps.ps1 as of 01/25/2024 13:36:49)*