gistfile1.txt

#!/bin/sh
screencreate(){
    if [ -f ~/.screenrc.${UNIQUE} ]; then
        screen -S ${UNIQUE} -c ~/.screenrc.${UNIQUE}
    else
        screen
    fi
    exit 0;
}

screenattach(){
    screen -x `basename ${CONTROL}`
    exit 0;
}

## MAIN main ##

SCREENS='/var/run/screen'
[ $# -ne 1 ] && {
        echo "USAGE: $0 <uniquename>"
        exit 1;
}
UNIQUE=$1; shift 1;
CONTROL=`ls ${SCREENS}/S-${USER}/[0-9]*.$UNIQUE 2>/dev/null`
if [ "${CONTROL}" = "" ]; then
    echo create; screencreate ${UNIQUE};
else
    echo attach; screenattach ${UNIQUE}
fi