#!/bin/sh

HOMEDIR="/.1/pftemp"
WGETCMD=`which wget`
FILE="nets"
TMP="tmp"

${WGETCMD} -q -c "http://stat.it.tusur.ru/nets.txt" -O ${HOMEDIR}/${TMP}

if [ -s ${HOMEDIR}/${TMP} ]; then
    if [ -e ${HOMEDIR}/${FILE} ]; then
        DIFF=`diff -q ${HOMEDIR}/${FILE} ${HOMEDIR}/${TMP}`
        if [ -n "${DIFF}" ]; then
            cp ${HOMEDIR}/${TMP} ${HOMEDIR}/${FILE}
        fi
    else
        cp ${HOMEDIR}/${TMP} ${HOMEDIR}/${FILE}
    fi
    rm ${HOMEDIR}/${TMP}
fi