#!/bin/bash cd ~/ssd-eraser # Check version check_ver() { git fetch -q git status|grep -o "up to date" &>/dev/null if [ $? -ne 0 ]; then echo "Updating script" git pull &>/dev/null fi } # Check network connection if nc -zw1 lab.compute.dtu.dk 22 &>/dev/null; then check_ver ./ssd-eraser else ./ssd-eraser fi