#! /bin/sh
t=$1

if [ \"$t\" = \"\" ]
then
  echo \"Usage: waitfor <time> <command>\"
  exit 1
fi

shift
args=${@:-}

hour=`echo $t | awk -F: \'{print $1}\'`
minute=`echo $t | awk -F: \'{print $2}\'`
second=`echo $t | awk -F: \'{print $3}\'`

done=0
while [ $done -eq 0 ]
do
now=`date | awk \'{print $4}\'`
h=`echo $now | awk -F: \'{print $1}\'`
m=`echo $now | awk -F: \'{print $2}\'`
s=`echo $now | awk -F: \'{print $3}\'`
if [ $h -ge $hour ]
then
  if [ $m -ge $minute ]
  then
    done=1
  fi
fi
sleep 2
done

$args