Functions/GenXdev.Console/Set-LocationParent2.ps1
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################################################################################ <# .SYNOPSIS Navigates up two directory levels in the file system hierarchy. .DESCRIPTION Changes the current working directory to the grandparent directory (two levels up) and displays the contents of the resulting directory. .EXAMPLE Set-LocationParent2 .EXAMPLE ... #> function Set-LocationParent2 { [CmdletBinding()] [Alias("...")] param() begin { # output verbose information about current location Write-Verbose "Current location: $(Get-Location)" } process { # store initial location to revert if needed $initialLocation = Get-Location # try to navigate up 2 levels try { for ($i = 1; $i -le 2; $i++) { # check if we can move up before attempting $parent = Split-Path -Path (Get-Location) -Parent if ($null -eq $parent) { Write-Verbose "Cannot go up further - at root level" break } # attempt to change directory Set-Location -Path $parent -ErrorAction Stop } # display contents only if in filesystem if ((Get-Location).Provider.Name -eq 'FileSystem') { Get-ChildItem } } catch { # revert to initial location on error Set-Location -Path $initialLocation Write-Warning "Unable to navigate up: $($_.Exception.Message)" } } end { } } ################################################################################ |