# Powershell Compilation

1. Dives into each subfolder and appends the subfolder name to the original filename

`$Files = Get-ChildItem -Path $Dir -Recurse -File`

`ForEach ($File in $Files)

{

$FolderName = ((Split-Path -Path $File.FullName -Parent) -split '\\')[-1]

$FileName = $File.Name

Rename-Item -Path $File.FullName -NewName "${FolderName}_$FileName"

}`

2. Filters out the JPEGs and PNGs in a folder and appends the folder name to the original filename

`Get-ChildItem | Where-Object { $_.Extension -eq ".jpg" -or $_.Extension -eq ".png" -and !$_.Name.StartsWith($_.Directory.Name) } | rename-item -newname {$_.Directory.Name +" - " + $_.Name} -WhatIf`

3. Replaces all defined characters with another character in the current folder

`-literalpath` can be used to work with filenames containing special characters like square brackets "["

`get-childitem | foreach {rename-item -literalpath $_ $_.name.replace("character here","")} -WhatIf`

4. For all zip files in the current directory i'll bash the spaces in and replace em with no spaces

`get-childitem *.zip | foreach {rename-item -literalpath $_ $_.name.replace(" ","")}`

5. For all JPEG and PNG files add a prefix and suffix to their filename

`Get-ChildItem -Include *.jpg,*.png -Recurse | Rename-Item -NewName { 'Prefix' + $_.BaseName + 'Suffix' + $_.Extension } -WhatIf`

6. `Get-ChildItem | Rename-Item -NewName { 'Prefix' + $_.BaseName + 'Suffix' + $_.Extension } -WhatIf`

7. `Get-ChildItem | Rename-Item -NewName { "Prefix_" + $_.Name } -WhatIf`

8. `Get-ChildItem | Rename-Item -NewName {$_.Name + "Suffix_" + $_.Extension} -WhatIf`

9. // Change 1..X to what you want the folders to be called, e.g: `A..D`

// Change `rs` to the prefix for the folder name

// Replace `.\folderhere\` with your preferred directory

`1..X | ForEach {MD ".\folderhere\rs$_"}`