get_xdelta.sh

#!/bin/bash
export WINEPREFIX=$HOME/.wine64a
export NADIR=$WINEPREFIX/drive_c/Program\ Files/Native\ Instruments/Native\ Access
export NA=$NADIR/Native\ Access.exe
export DATETIME=`date +%Y%m%d_%H%M%S`
export DELTAFILE=~/na.xdelta

xdelta delta -0 -n -s=8 "$NA.orig" "$NA.new" "$DELTAFILE"
xdelta info "$DELTAFILE"

xdelta_patch.sh

#!/bin/bash
export WINEPREFIX=$HOME/.wine64a
export NADIR=$WINEPREFIX/drive_c/Program\ Files/Native\ Instruments/Native\ Access
export NA=$NADIR/Native\ Access.exe
export DATETIME=`date +%Y%m%d_%H%M%S`
export DELTAFILE=~/na.xdelta

cp -f "$NA" "$NA.orig.$DATETIME"
xdelta patch "$DELTAFILE" "$NA" "$NA.new.$DATETIME"
cp -f "$NA.new.$DATETIME" "$NA"