Windows CMD underscores to dashes

underscores-to-dashes.bat

@echo off
rem Go through every file in a directory and replace _ with - in each filename.
rem I'm sure I pasted this from somewhere, no idea.
rem I wouldn't have to do this if people stopped using underscores in filenames. 
rem It's bad SEO, and it's that much more typing. Just stop it.

Setlocal enabledelayedexpansion

rem You could change these two to replace any string with another. 
Set "Pattern=_"
Set "Replace=-"

For %%a in (*.*) Do (
    Set "File=%%~a"
    Ren "%%a" "!File:%Pattern%=%Replace%!"
)

Pause&Exit