数据与智能

true_then_run() {
    condition=$1
    action=$2

    (${condition})
    if [ $? -eq 0 ]
    then
        (${action})
    else
        echo "'$1' is false, don't run '$2'"
    fi
}

false_then_run() {
    condition=$1
    action=$2

    (${condition})
    if [ $? -ne 0 ]
    then
        (${action …