emacs掉用外部命令的几种方式
同步调用 1 M + ! command (shell-command) 异步调用 1 M + & command (async-shell-command) 区域调用 1 M + | command (shell-command-on-region) elisp调用 1 2 (call-process-shell-command COMMAND &optional INFILE BUFFER DISPLAY) help-mode C-h f call-process-shell-command……