honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep -c "0"
1
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep -o "0"
0
0
0
0
0
0

honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "1"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "2"
Zero no Tsukaima/anidb/Zero no Tsukaima.txt
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "3"
Zero no Tsukaima/anidb/Zero no Tsukaima.txt
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "4"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "5"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "6"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "7"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "8"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "9"
honk@honk $ ls "Zero no Tsukaima/anidb/Zero no Tsukaima.txt" | grep "0"
Zero no Tsukaima/anidb/Zero no Tsukaima.txt