cfcfs

(defn get-lines [fname] (string/split-lines (slurp fname)))

(defn group-lines [lines] 
  (reduce 
    #(if (string/blank? %2)
       (cons '() %1)
       (cons (cons %2 (first %1)) (next %1)))
    '(()) lines))

(defn sum-groups [groups] (map #(reduce + 0 (map read-string %1)) groups))

cfcfs

Installing tmux-256color for macOS

• macOS 10.15.5
• tmux 3.1b

macOS has ncurses version 5.7 which does not ship the terminfo description for tmux. There're two ways that can help you to solve this problem.

The Fast Blazing Solution

Instead of tmux-256color, use screen-256color which comes with system. Place this command into ~/.tmux.conf or ~/.config/tmux/tmux.conf(for version 3.1 and later):