How to append to filename in batch file

Question

I call my batch file like so

"c:\mybat.bat" "c:\inputfile.txt"

I want to redirect the output to "c:\\inputfile_new.txt"

Here is my bat

@echo off
"c:\myexe.exe" %1 > ????

How can I add _new to the filename?

Answer 1

Like this:

@Echo Off
"C:\myexe.exe" "%~1">"%~dpn1_new%~x1"