Определить папку

$ lsattr .vimrc | cut -f1 -d' ' | grep i > /dev/null && echo OK || echo ERR
ERR
$ sudo chattr +i .vimrc 
$ lsattr .vimrc | cut -f1 -d' ' | grep i > /dev/null && echo OK || echo ERR
OK

[ $(lsattr -d $DIR | cut -c5) = 'i' ]

for a in "`ls -1AQ /directory`"
do
   if [ `lsattr -a "$a"|grep -c '....i.*'` = 1 ]
   then

      действие_с  "$a"
 
  fi
done

for a in `ls -1AQ /directory`
do
   if [ `lsattr -a "$a"|grep -c '^....i.*'` = 1 ]
   then

      действие_с  "$a"
 
  fi
done

for a in `sudo rm -rf *|ls -1AQ /directory`
do
   if [ `lsattr -a "$a"|grep -c '^....i.*'` = 1 ]
   then

      действие_с  "$a"
 
  fi
done

ls -1A /directory|while read a
do
   if [ `lsattr -ad "$a"|cut -c5` = i ]
   then

      действие_с  "$a"
 
   fi
done