Script para Actualizar JOSM en ArchLinux

#!/bin/sh
#
# Actualizar JOSM en ArchLinux
#
cd /usr/share/java/josm/
# backup old version in case the new one doesn't work
cp josm.jar josm.jar.old
# download latest version if available
wget -N -c  http://josm.openstreetmap.de/download/josm-latest.jar
# change to desired working directory
cd /usr/share/java/josm/
mv josm-latest.jar josm.jar