Recursively renaming files with PowerShell

i-love-ps.ps1

# Oto Brglez - <otobrglez@gmail.com>

$folderPath = "dodo-was-here" | Resolve-Path

Get-ChildItem -Path $folderPath -Recurse -File |
    ForEach-Object {
        $newName = Join-Path (Split-Path $_.FullName) `
            -ChildPath ($_.FullName -replace $folderPath,'' -replace '/|\\','-' -replace '^(.)','')
        Rename-Item -Path $_.FullName -NewName $newName -Force # -WhatIf
    }