kwikdiff

#!/bin/bash
# from dave jones blog, march 15th 2005
PWD=`pwd`
TOP=`basename $PWD`
EDITOR=vim
if [ -f $1~ ]; then
rm -f $1~
fi
cp $1 $1~
$EDITOR $1
cd ..
diff -urNp $TOP/$1~ $TOP/$1 >>$TOP/current.diff