使用gnu clisp运行shell命令
发布时间:2020-12-15 22:11:46 所属栏目:安全 来源:网络整理
导读:我正在尝试为clisp创建一个像这样工作的“系统”命令 (setq result (system "pwd"));;now result is equal to /my/path/here 我有这样的事情: (defun system (cmd) (ext:run-program :output :stream)) 但是,我不确定如何将流转换为字符串.我已经多次回顾了
我正在尝试为clisp创建一个像这样工作的“系统”命令
(setq result (system "pwd")) ;;now result is equal to /my/path/here 我有这样的事情: (defun system (cmd) (ext:run-program :output :stream)) 但是,我不确定如何将流转换为字符串.我已经多次回顾了hyperspec和google. 编辑:使用Ranier的命令并使用with-output-to-stream, (defun system (cmd) (with-output-to-string (stream) (ext:run-program cmd :output stream))) 然后尝试运行grep,这是我的道路…… [11]> (system "grep") *** - STRING: argument #<OUTPUT STRING-OUTPUT-STREAM> should be a string,a symbol or a character The following restarts are available: USE-VALUE :R1 Input a value to be used instead. ABORT :R2 Abort main loop Break 1 [12]> :r2 解决方法
像这样的东西?
版本2: (defun copy-stream (in out) (loop for line = (read-line in nil nil) while line do (write-line line out))) (defun system (cmd) (with-open-stream (s1 (ext:run-program cmd :output :stream)) (with-output-to-string (out) (copy-stream s1 out)))) [6]> (system "ls") "#.emacs# Applications ..." (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |