for j in `for i in $(echo lektion??-?[01]-*1.txt | tr ' ' '\n' | cut -dn -f 2 |
cut -d- -f 1 | sort | uniq); do if [ "$(expr \( $i + 3 + $(date +%d) \) % 7)" = "5" -o "$(expr \( $i + $(date +%d) \) % 7)" = "5" ]; then echo $i; fi; done`; do echo lektion$j-*.txt; done
