public/Export-Up.ps1
|
<#
.SYNOPSIS Export each ancestor of the current or given directory to a global variable. .PARAMETER From The folder from which to start. $PWD by default. .PARAMETER Force Overwrites any existing globals variables with the same names. .PARAMETER NoGlobals Don't copy output into global variables. .PARAMETER IncludeRoot Includes the root level path in the output. .EXAMPLE C:\projects\powershell\src\Microsoft.PowerShell.SDK > Export-Up Name Value ---- ----- Microsoft.PowerShell.SDK C:\projects\powershell\src\Microsoft.PowerShell.SDK\ src C:\projects\powershell\src\ powershell C:\projects\powershell\ projects C:\projects\ C:\projects\powershell\src\Microsoft.PowerShell.SDK> $powershell C:\projects\powershell\ C:\projects\powershell\src\Microsoft.PowerShell.SDK> _ #> function Export-Up() { [CmdletBinding()] param( [string] $From = $PWD, [switch] $Force, [switch] $NoGlobals, [switch] $IncludeRoot ) if (-not ($next = Resolve-Path $From -ErrorAction Ignore).Path) { return } $getPair = { @{name = (Split-Path $next -Leaf); path = "$next" } } $output = [ordered]@{ (&$getPair).name = (&$getPair).path } try { while ( ($next = $next | Split-Path -Parent) -and ($next -ne $next.Drive.Root -or $IncludeRoot)) { $output.Add((&$getPair).name, (&$getPair).path) } } catch [Management.Automation.PSArgumentException] { Write-Verbose "$Global:Error" $Global:Error.Clear() } if (-not $NoGlobals) { $output.GetEnumerator() | % { New-Variable $_.Name $_.Value -Scope Global -Force:$Force -ErrorAction Ignore } } $output } |