Private/FileAndFolderFunctions.ps1
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function Get-FriendlySize { param( [Parameter(Mandatory = $true)] [long]$bytes ) $sizes='B,KB,MB,GB,TB,PB,EB,ZB' -split ',' for($i=0; ($bytes -ge 1kb) -and ($i -lt $sizes.Count); $i++) {$bytes/=1kb} $N=0; if($i -eq 0) {$N=0} "{0:N$($N)} {1}" -f $bytes, $sizes[$i] } function Get-IsDirectory{ Param( [Parameter(Mandatory = $true)] $fileSystemInfo ) return ($fileSystemInfo.GetType()) -eq [System.IO.DirectoryInfo] } function Get-FileExtension { Param( [Parameter(Mandatory = $true)] [string]$fileName ) return [System.IO.Path]::GetExtension($fileName) } function Get-FilesAndFoldersListing{ param( [Parameter(Mandatory = $true)] [hashtable]$options, [Parameter(Mandatory = $true)] [string]$query ) if($options.showHiddenFiles){ $filesAndFolders = Get-ChildItem $query -force }else{ $filesAndFolders = Get-ChildItem $query } $fileCount = ($filesAndFolders | Measure-Object).Count if($fileCount -eq 0){ # nothing found return } # Remove items that should not be displayed: $nl = @() foreach($fileOrFolder in $filesAndFolders){ $ignoreItem = Get-IgnoreItem -options $options -fileSystemInfo $fileOrFolder if(-not $ignoreItem){ $nl += $fileOrFolder } } if($nl.Length -eq 0){ # nothing left return } # Sort the list $filesAndFolders = Get-SortedFilesAndFoldersListing -filesAndFolders $nl -options $options return [array]$filesAndFolders } function Get-NameForDisplay{ param( [Parameter(Mandatory = $true)] $fileSystemInfo ) $isDirectory = Get-IsDirectory -fileSystemInfo $fileSystemInfo $name = $fileSystemInfo.Name if ((($fileSystemInfo.LinkType -eq 'Junction') -or ($fileSystemInfo.LinkType -eq 'SymbolicLink')) -and $options.longFormat) { if($isDirectory){ return "${name}\ -> $($fileSystemInfo.Target)\" }else{ return "${name} -> $($fileSystemInfo.Target)" } } else { if($isDirectory){ return "${name}\" }else{ return $name } } } function Get-DirectoryName{ param( [Parameter(Mandatory = $true)] [array]$filesAndFolders ) $f = $filesAndFolders[0] $directoryName = $f.Parent.FullName if($directoryName.Length -eq 0){ $directoryName = $f.DirectoryName } # fix for strange bug that occurs intermittently where we no longer get a proper FileSystemInfo object to work with: if($null -eq $directoryName){ if($filesAndFolders.Length -gt 1){ $directoryName = [System.IO.Path]::GetDirectoryName($f.FullName) } } return $directoryName } function Get-DirectorySize{ param( [Parameter(Mandatory = $true)] [string]$directoryName ) $directorySizeInBytes = ((Get-Childitem $directoryName -Recurse -Force -ErrorAction SilentlyContinue | Measure-Object -Sum Length -ErrorAction SilentlyContinue | Select-Object sum).sum) return Get-FriendlySize -bytes $directorySizeInBytes } function Get-LongestItemLength{ param( [Parameter(Mandatory = $true)] [array]$filesAndFolders ) #$longestItem = Get-LongestItem -items $filesAndFolders -scriptBlock {return $item.Name} #$longestItemLength = $longestItem.Name.Length # determine the longest items so we can adapt the list to the console window width #Sometimes it seems powershell go haywire and cannot propertly sort by length, so using his hacky approach to get the longest item instead: #$longestItem = $filesAndFolders | Select-Object Name, FullName | Sort-Object { "$_".Length } -descending | Select-Object -first 1 $longestItemLength = 0 $longestItem = $null foreach($fileOrFolder in $filesAndFolders){ #$l = $fileOrFolder.Name.Length $l = Get-StringLength $fileOrFolder.Name if ($options.longFormat -and (($fileOrFolder.LinkType -eq 'Junction') ` -or ($fileOrFolder.LinkType -eq 'SymbolicLink'))) { #$l += $fileOrFolder.Target.length + 5 $l += ((Get-StringLength $fileOrFolder.Target) + 5) } if($l -gt $longestItemLength){ $longestItemLength = $l $longestItem = $fileOrFolder } } $longestItemIsDirectory = Test-Path $longestItem.FullName -pathtype container if(($longestItemIsDirectory) -and (-not $options.fileOnly)){ $longestItemLength += 1 } return $longestItemLength } function Get-SortedFilesAndFoldersListing{ param( [Parameter(Mandatory = $true)] [array]$filesAndFolders, [Parameter(Mandatory = $true)] [hashtable]$options ) if($filesAndFolders.Length -eq 0){ # nothing found return } if($options.sortByModificationTime){ return $filesAndFolders | Sort-Object Lastwritetime -descending }elseif($options.filesFirst){ return $filesAndFolders | Sort-Object -Property @{Expression = {$_.GetType()}; Descending = $True}, @{Expression = {$_.Name}; Descending = $False} }elseif($options.dirsFirst){ return $filesAndFolders | Sort-Object -Property @{Expression = {$_.GetType()}; Descending = $False}, @{Expression = {$_.Name}; Descending = $False} }else{ return $filesAndFolders | Sort-Object Name } } function Get-IgnoreItem { param( [Parameter(Mandatory = $true)] [hashtable]$options, [Parameter(Mandatory = $true)] [System.IO.FileSystemInfo]$fileSystemInfo ) $isDirectory = Get-IsDirectory -fileSystemInfo $fileSystemInfo if((-not $options.showHiddenFiles) -and $fileSystemInfo.mode.contains('h')) { return $true } if(($options.dirOnly) -and (-not $isDirectory)) { return $true } if(($options.fileOnly) -and ($isDirectory)) { return $true } return $false } function Get-StringLength { param( [AllowEmptyString()] [Parameter(Mandatory = $true)] [string]$str ) if (!$str) { return 0 } $count = 0 for($i = 0;$i -lt $str.Length;$i ++) { if ($str[$i] -match '[\u4e00-\u9fa5]') { $count += 2 } else { $count += 1 } } # one chinese char 3 length, but i want 2. #$count = [System.Text.Encoding]::UTF8.GetByteCount($str) return $count } |