#!/bin/bash
#  Usage: init_seisnet seisnet_directory
#  Initialize the SIOSEIS-SEISNET interface
#
#  script init_seisnet lists the last two files in directory every 5 seconds
#
if [ "$#" = "0" ]; then
    echo "Usage: init_seisnet seisnet_directory"
    exit
fi
declare -i forever
path=$1
rm seisnet_data
ln -s $path seisnet_data

forever=1
while [ $forever ]; do
   ls -t1 $path/* | head -n 2 > /tmp/latest
   sleep 5
done