Проверка сразу нескольких каталогов

TEST(1)                          User Commands                         TEST(1)

NAME
       test - check file types and compare values
................
       EXPRESSION1 -a EXPRESSION2
              both EXPRESSION1 and EXPRESSION2 are true
......................
       -d FILE
              FILE exists and is a directory

for dir in /etc /usr /govno
> do if [ -d "$dir" ]
>    then
>        echo "ok"
>    else
>        echo "bad"
>    fi
> done
ok
ok
bad

$ls -1 
dir1
dir2
dir4

$for i in {1..3} ; do test -d dir${i} && echo exist || echo not ; done
exist
exist
not

if [ -d dir{1,2,3,4,5)} ]
then
...

test -d /etc -a -d /root -a -d /tmp && echo yes

ls -d dir1 dir2 ... dirN >/dev/null 2&1
echo $?