#!/bin/sh
opts="-n1"

if [ "$1" = "-q" ]; then
    opts="$opts -s"
    shift
fi

Q=$@

/bin/echo -n "$Q, are you sure (y/N)? "
read $opts yorn
echo

if [ "x$yorn" != "xy" ] && [ "x$yorn" != "xY" ]; then
   echo "OK, aborting."
   exit 1
fi

exit 0