pin.sh

pin.sh

#!/bin/bash

# Use pin.sh to prevent accidently repeating of dangerous commands
# Usage: 
# $ pin.sh rm -rf /
# $ Please type the PIN 7945 to continue: 1234
# $ Sorry :-(

PIN="$(((RANDOM % 9)+1))$(((RANDOM % 9)+1))$(((RANDOM % 9)+1))$(((RANDOM % 9)+1))"
echo -n "Please type the PIN $PIN to continue: "
read TYPEDPIN
if [ "$TYPEDPIN" = "$PIN" ];
then
  $*
else
  echo "Sorry :-(";
fi;