public/Expand-Path.ps1
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<#
.SYNOPSIS Attempts to expand a given candidate path by appending a wildcard character (*) to the end of each path segment. .PARAMETER Candidate Candidate search string. .PARAMETER SearchPaths Set of paths to search in addition to the current directory. $cde.CD_PATH by default. .PARAMETER File Limits search results to leaf items. .PARAMETER Directory Limits search results to container items. .EXAMPLE PS> Expand-Path /win/sys/dr/et -Directory Directory: C:\Windows\System32\drivers Mode LastWriteTime Length Name ---- ------------- ------ ---- d----- 21/12/2017 11:50 PM etc #> function Expand-Path { [CmdletBinding()] param ( [string] $Candidate, [array] $SearchPaths = $cde.CD_PATH, [switch] $File, [switch] $Directory ) $multidot = [regex]::Match($Candidate, '^\.{3,}') $match = $multidot.Value $replacement = ('../' * [Math]::Max(0, $match.LastIndexOf('.'))) -replace '.$' [string]$wildcardedPath = $Candidate ` -replace $match, $replacement ` -replace '(\w/|\w\\|\w$)', '$0*' ` -replace '(/\*|\\\*)', ('*' + ${/}) ` -replace '(/$|\\$)', '$0*' ` -replace '(\.\w|\w\.$)', '*$0' ` -replace '\[|\]', '*' $wildcardedPaths = if ($SearchPaths -and -not ($Candidate | IsRootedOrRelative)) { # always include the local path, regardeless of whether it was passed # in the searchPaths parameter (this differs from the behaviour in bash) @($wildcardedPath) + ( $SearchPaths | % { Join-Path $_ $wildcardedPath }) } else { $wildcardedPath } WriteLog "`nExpanding $Candidate to: $wildcardedPaths" Get-Item $wildcardedPaths -Force -ErrorAction Ignore | Where {(!$File -or !$_.PSIsContainer) -and (!$Directory -or $_.PSIsContainer)} } |