delete pattern from each file in current directory(recursively).

gistfile1.bat

@echo off
Setlocal enabledelayedexpansion
echo %filePath%
Set "pattern=.paycrypt@gmail_com"
Set "replace="
echo "replace" %replace%
echo "Pattern " %pattern%

for /f "usebackq tokens=* delims=" %%# in (`dir /b /S /A:-D`) Do (
	Set "File=%%~nx#"
	ren "%%#" "!File:%pattern%=%replace%!"
)