PowerShell/Scripts/check-symlinks.ps1

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#!/usr/bin/pwsh
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<#
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.SYNTAX check-symlinks.ps1 [<dir-tree>]
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.DESCRIPTION checks every symlink in the given directory tree
.LINK https://github.com/fleschutz/PowerShell
.NOTES Author: Markus Fleschutz / License: CC0
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#>
param($DirTree = "")
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if ($DirTree -eq "" ) {
$DirTree = read-host "Enter the path to the directory tree"
}
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try {
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write-progress "Checking symlinks in $DirTree..."
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[int]$SymlinksTotal = [int]$SymlinksBroken = 0
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Get-ChildItem $DirTree -recurse | Where { $_.Attributes -match "ReparsePoint" } | ForEach-Object {
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$Symlink = $_.FullName
$Target = ($_ | Select-Object -ExpandProperty Target -ErrorAction Ignore)
if ($Target) {
$path = $_.FullName + "\..\" + ($_ | Select-Object -ExpandProperty Target)
$item = Get-Item $path -ErrorAction Ignore
if (!$item) {
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write-warning "Broken symlink: $Symlink -> $Target"
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$SymlinksBroken++
}
}
$SymlinksTotal++
}
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write-host -foregroundColor green "OK - found $SymlinksTotal symlinks total, $SymlinksBroken symlinks are broken"
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exit $SymlinksBroken
} catch {
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write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
}