Develop a script that takes number (count of needed folders up to 26) as an argument and create this folders in current directory with next naming convention folder_<[a-z]>.
./array.sh 5
5 folders created: folder_a, folder_b, folder_c, folder_c, folder_d
./array.sh 1
1 folder created: folder_a
./array.sh 2
2 folders created: folder_a, folder_b