checkandsend.sh

#!/bin/bash
#set -x

FPATTERN="EP5_capture"
CAPTURE_DIR="/root/temp/"
REMOTE_URI="root@localhost"
NEXT=""
DEBUG=1

debug()
{
    if [ $DEBUG -ne 0 ]; then
	echo $1
    fi
}

getnewfile()
{
    local current=$1

    if [ $current -eq 0 ]; then
	filename=${CAPTURE_DIR}${FPATTERN}
    else
	filename=${CAPTURE_DIR}${FPATTERN}${current}
    fi

    # The file must exist
    if [ ! -f $filename ]; then
	echo "File ${filename} does not exist!!!"
	exit 1
    fi

    lsof $filename > /dev/null 2>&1
    if [ $? -eq 1 ]; then
	debug "${filename} IS NOT in use"
	NEXT=${filename}
    else
	debug "${filename} IS in use"
	NEXT=""
    fi
}

do_the_trick()
{
    debug "Compressing ${NEXT}"
    bzip2 -9 ${NEXT}
    if [ $? -ne 0 ]; then
	return 1
    fi

    debug "Sending ${NEXT} to remote ${REMOTE_URI}"
    # Remember you need to setup passswordless ssh login
    # Also remember to add .bz2 to the end of the filename
    #scp blah blah
    if [ $? -ne 0 ]; then
	return 1
    fi

    return 0
}

fileno=0
while true
do
    getnewfile ${fileno}
    if [ "$NEXT" = "" ]; then
	sleep 30	# Maybe 120 seconds is more appropriate
    else
	do_the_trick
	if [ $? -eq 0 ]; then
	    debug "File ${NEXT} has been sent, removing"
	    rm ${NEXT}.bz2
	    let fileno++
	fi
    fi
done