Untitled

#!/bin/bashfor ((month = 1; month <= 12; month++)){    case $month in        1|3|5|7|8|10|12 )            num_days=31            ;;        4|6|9|11)            num_days=30            ;;        2)              num_days=28            ;;        esac        for ((day = 1; day < num_days; day++))        do            echo "http://images.ucomics.com/comics/ga/2007/ga07${month}${day}.gif"        done}