Real-Time clock

[Peter Trapp]

This script will be called while system startup/shutdown. The appropriate link should be located in the folder rc.d ...

As option it takes one of the following:   start     stop    restart

start does: 
>     if [ ! -e $DATEFILE ]; then
check if DATEFILE NOT exist

>         LASTDATETIME=100208002007

LASTDATETIME, here 100208002007   means according to "%m%d%H%M%G"
  Feb 10, 2007    08:00a.m.

=> reset date and time to default



>     else
>         . $DATEFILE

used stored value from DATEFILE  (this file was written on last shutdown of neo)
(exports the variable LASTDATETIME to shell, like     `export LASTDATETIME=mmddHHMMYYYY`


>     fi
>     date -u $LASTDATETIME
>        ;;

set time and date according to LASTDATETIME (either lastvalue or defaultvalue)


stop:
>         echo "LASTDATETIME=`/bin/date -u +%m%d%H%M%G`" > $DATEFILE
get actual time and store it in DATEFILE


restart:
do start
do stop

cheers
-homyx



Von: "George Eliozov" <nerozero at itcs.ge>
> Could anyone tall me, what is doing this script: 
> 
> cat /etc/init.d/date.sh
> =============================================
> #!/bin/sh
> DATEFILE=/etc/default/lastdate
> case "$1" in
>   start)
>     if [ ! -e $DATEFILE ]; then
>         LASTDATETIME=100208002007
>     else
>         . $DATEFILE
>     fi
>     date -u $LASTDATETIME
>        ;;
>   stop)
>         echo "LASTDATETIME=`/bin/date -u +%m%d%H%M%G`" > $DATEFILE
>         ;;
>   restart)
>         $0 stop
>         $0 start
>         ;;
>   *)
>         echo "Usage: date.sh {start|stop|restart}"
>         exit 1
> esac
> 
> exit 0
> 
> 
> 

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