A wrapper to use ediff-merge-files as a system merge tool

emacs-merge-into

#!/bin/zsh                                                                                                                                                                                                                                     
                                                                                                                                                                                                                                               
if [ ${#argv} -eq 3 ]; then                                                                                                                                                                                                                    
    emacs -Q -nw --eval "(ediff-merge-files \"$2\" \"$3\" nil \"$1\")"                                                                                                                                                                         
    exit $?                                                                                                                                                                                                                                     
fi                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                               
IFS=/                                                                                                                                                                                                                                          
echo "Usage: ${${=0}[-1]} <merged-file> <old-file> <new-file>"                                                                                                                                                                                 
exit 1