selectd

linux脚本编程的例子

selectd ()
{
    PS3='directory? '
    dirstack=" $DIR_STACK "

    select selection in $dirstack; do
        if [ $selection ]; then
            DIR_STACK="$selection${dirstack%% $selection *}"
            DIR_STACK="$DIR_STACK ${dirstack##* $selection }"
            DIR_STACK=${DIR_STACK% }
            cd $selection
            break
        else
            echo 'invalid selection.'
        fi
    done
}