#!/bin/sh
# synccal: synchronize xcalendar(xcal.el) files between
#          PocketBSD and UNIX machine
#          usage: synccal
#          Hitoshi Washizu(washizu@kkc1.c.u-tokyo.ac.jp)

# make .login_cfg file as (man ncftpput)
#              host Bozo.probe.net
#              user gleason
#              pass mypasswd
LOGIN_CFG=$HOME/.login_cfg
# directory of xcalender(xcal.el) data files, please edit if you need.
CALDIR=.Calendar
# your UNIX machine's home, please edit.
REMOTE_HOME=/home/gleason
# current year, please edit if you need.
XYEAR=1999
# your UNIX machine's hostname(used by ncftp), please edit.
REMOTE_HOST=bozo

LOCAL_CALDIR=$HOME/$CALDIR
CALSTAMP_F=$LOCAL_CALDIR/stamp
REMOTE_CALDIR=$REMOTE_HOME/$CALDIR

if [ ! -f $LOGIN_CFG ];then
    echo "Prepare $LOGIN_CFG, then try."
    exit
else
    if [ ! -f $LOGIN_CFG ] 
    then
	echo `date` >>  $CALSTAMP_F
    fi
fi

LOGIN_CFG_DATE=`ls -l $CALSTAMP_F | awk '{printf "-v"$6"m -v"$7"d"}'`
LOGIN_CFG_DATE=`date "$LOGIN_CFG_DATE" +%s`
NOW_DATE=`date +%s`
PAST_DATE=`expr $NOW_DATE - $LOGIN_CFG_DATE`
PAST_DATE=`expr $PAST_DATE / 86400`
PAST_DATE=`expr $PAST_DATE + 2`

cd $LOCAL_CALDIR
echo "Downloading file..."
echo "ncftp -R -n $PAST_DATE $REMOTE_HOST:$REMOTE_CALDIR"
ncftp -R -n $PAST_DATE $REMOTE_HOST:$REMOTE_CALDIR
echo "done."

NEW_F=`find $LOCAL_CALDIR -newer $CALSTAMP_F -print | grep xc`
i=1
while [ $i -ge 0 ]
do
    LOCAL_FILE=`echo $NEW_F | grep $XYEAR`
    if [ ${#LOCAL_FILE} -gt 0 ];then
    echo "uploading file..."
    REMOTE_DIR=$REMOTE_CALDIR/xy$XYEAR
    ncftpput -f $LOGIN_CFG  $REMOTE_DIR $LOCAL_FILE
    echo "done."
    fi
    XYEAR=`expr $XYEAR + 1`
    i=`expr $i - 1`
done

echo `date` >>  $CALSTAMP_F