Compare local file with the file in another git branch

gitCompare.bat

@echo off
setlocal
echo Compare local file with the file in another git branch
echo.
set /p branch=Branch to compare to? : 
set /p file=File? (relative to repo root, use \ for paths) : 

set file=.\%file: =%
rem %file: =% removes any spaces (aimed at trailing spaces)

if exist %file%.%branch% (echo temp file %file%.%branch% already exists
	pause
	goto :eof)

git show %branch%:./%file% > %file%.%branch%
**insert path to your favourite compare tool here** %file% %file%.%branch%

rem Tidy up
del %file%.%branch%