Something

#!/bin/bash

# Script to log time in and out
MINPARAMS=1
LOG_DIR=/home/justin
NET_DIR=/home/justin/Network/G/DOCS/
E_NOARGS=65
E_BADARGS=66
E_XCD=67
TESTLOG=testtimelog
LIVELOG=jplog-$(date +%Y%m).txt

# Test for arguments
if [[ -z "$1" ]]
then
	echo "Usage: punch [OUT | LUNCH]"
	exit $E_NOARGS
fi

# Test for proper syntax, set BACK variable
if [[ $1 = OUT ]]

then
	BACK=IN
elif [[ $1 = LUNCH ]]
then
	BACK=LUNCH_IN
else
	echo "Usage: punch [OUT | LUNCH]"
	exit $E_BADARGS
fi

# Test for testing or live
if [[ $2 = -t ]]
then
	LOG=$TESTLOG
else
	LOG=$LIVELOG
fi

# Go to home dir
cd $LOG_DIR

# Test if in home dir
if [[ `pwd` != $LOG_DIR ]]

then
  echo "Can't change to $LOG_DIR"
  exit $E_XCD
fi

# Create monthly log if needed
touch $LOG
# Log time & date
# FFR, variables used are: %F - full ISO date %t - tab %R - 24h timestamp
date +%F%t%R%t$1 >> $LOG_DIR/$LOG

# launch screensaver and wait for login

xlock -mode biof &
wait

# upon login, log time

date +%F%t%R%t$BACK >> $LOG_DIR/$LOG

# display last 5 lines of log, copy real logfile to network

tail -n 5 $LOG
cp $LOG_DIR/$LIVELOG $NET_DIR

### Working area for modifications

## display difference between real logged time and expected time
#
#

#
exit