PowerShell/Scripts/check-symlinks.ps1

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2021-02-10 16:49:09 +01:00
#!/bin/powershell
<#
.SYNTAX ./check-symlinks.ps1 [<dir-tree>]
.DESCRIPTION checks every symlink in the given directory tree
.LINK https://github.com/fleschutz/PowerShell
.NOTES Author: Markus Fleschutz / License: CC0
#>
param($DirTree = "")
try {
if ($DirTree -eq "" ) {
$DirTree = read-host "Enter the path to the directory tree"
}
[int]$SymlinksTotal = [int]$SymlinksBroken = 0
gci $DirTree -Recurse | Where { $_.Attributes -match "ReparsePoint" } | ForEach-Object {
$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) {
write-output "Symlink $Symlink -> $Target is broken"
$SymlinksBroken++
}
}
$SymlinksTotal++
}
echo "Done - found $SymlinksTotal symlinks total, $SymlinksBroken are broken"
exit $SymlinksBroken
} catch {
write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}