shell - filter file content to sorted tables -
i have file contains following lines of code. here file displays schedules sorted 1 one . at 12:00 schedule of james version1 : first_task:eating:nothing second_task:rest:onehour third_task:watching:nothing @ 12:00 schedule of james version2 : first_task:eating:fruits second_task:rest:twohour third_task:watching:manga @ 12:00 schedule of alex version1 : first_task:eating:fruit second_task:rest:halfhour third_task:watching:horrorfilm @ 12:00 schedule of alex version2 : first_task:eating:meal second_task:rest:nothing third_task:watching:nothing @ 18:00 schedule of james version1 : first_task:eating:fastfood second_task:rest:twohours third_task:watching:series @ 18:00 schedule of james version2 : first_task:eating:nothing second_task:rest:onehours third_task:watching:series @ 18:00 schedule of alex version1 : first_task:eating:vegetals second_task:rest:threehours third_task:watching:manga @ 18:00 schedule of alex version2 : first_task:eating:bread second_task:rest:fiv...