I have some files like this:a.10 a.15 a.20 a.30 a.40 a.50if I want to do a same work for all of them I can usefor data in `ls a*| sort -n`If I want to do same work one by one. I can use:data=(`ls a* | awk '{print $1}'`)numb=`ls a*|wc|awk '{print $1}'`ii=0for da in ${data[$ii]} ; do echo  ${data[$ii]} ii=$(($ii+1)) donebut how  can I do a same work for files with ii equal and grater than 2, I mean like ls but not all of them only for    a.20 a.30 a.40 a.50
using ls in bash
bash;ls