find all directories on min / max depth

find . -mindepth 2 -maxdepth 2 -type d

IN="bla@some.com;john@home.com"

OIFS=$IFS

IFS=';'

mails2=$IN

for x in $mails2

do

echo "> [$x]"

done

IFS=$OIFS

 1 str="1--123--23"

  2 awk -F'--' '{ for(i=1;i<=NF;i++) print $i }' <<< $str