Shell Programming and Scripting

function search
{    
    cd $logsloc
    echo "Enter date in format YYYYMMDD (enter to exit):"
    read dateToLookFor
    echo $dateToLookFor | grep -q  "[0-2][0-9][0-9][0-9][01][0-9][0-3][0-9]"
    echo $?
    
    #test if exit status of previous command is 0
    #if not, exit
    if [[ $? -ne 0 ]]; then
        echo "Error: date entered does not match pattern YYYYMMDD -  exiting"
        exit
    fi
}

function search
{    
    cd $logsloc
    echo "Enter date in format YYYYMMDD (enter to exit):"
    read dateToLookFor
    echo $dateToLookFor | grep -q  "[0-2][0-9][0-9][0-9][01][0-9][0-3][0-9]"
    status=$?
    echo $status
    
    #test if exit status of previous command is 0
    #if not, exit
    if [[ $status -ne 0 ]]; then
        echo "Error: date entered does not match pattern YYYYMMDD -  exiting"
        exit
    fi
}