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在eshell中用cat命令显示图片

 3 years ago
source link: https://www.lujun9972.win/blog/2020/02/15/%E5%9C%A8eshell%E4%B8%AD%E7%94%A8cat%E5%91%BD%E4%BB%A4%E6%98%BE%E7%A4%BA%E5%9B%BE%E7%89%87/index.html
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在eshell中用cat命令显示图片

今天偶然发现，在开启了 auto-image-file-mode 后，在eshell中cat 图片文件会直接显示图片，而不是二进制的文件内容。

screenshot-29.png

可惜就是最后缺少了个换行符.

我们也可以自己定义一个自己的icat来专门显示图片： 

(defun eshell/icat (&rest args)
    "Display images in ARGS."
    (setq args (eshell-stringify-list (eshell-flatten-list args)))
    (eshell-eval-using-options
     "icat" args
     '((?h "help" nil nil "show this usage screen")
       :external "feh"
       :show-usage
       :usage "IMAGES

    Show IMAGE to standard output.")
     (dolist (image-fpath (mapcar #'expand-file-name args))
       (when (file-exists-p image-fpath)
         (eshell-buffered-print "\n")
         (add-text-properties 0 (length image-fpath)
                              `(display ,(create-image image-fpath)
                                        modification-hooks
                                        (iimage-modification-hook))
                              image-fpath)
         (eshell-buffered-print image-fpath)
         (eshell-flush)))))

eshell/icat

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