Eshell: cat can cat images like catimg, in addition to syntax highlight.

Big thanks to the chads at https://emacs.stackexchange.com/questions/3432/display-images-in-eshell-with-iimage-mode

lisp/mitch-packages.el

@@ -203,15 +203,54 @@ Taken from https://github.com/manateelazycat/aweshell/blob/d246df619573ca3f46070
 	   contents)))
       (unless existing-buffer
 	(kill-buffer buffer)) nil))
+  ;; helpers for catimg below
+  (defun esh-catimg--imagep (filename)
+    "Check if FILENAME is an image. Helper for `esh-catimg--image-print'.
+
+Taken from https://emacs.stackexchange.com/questions/3432/display-images-in-eshell-with-iimage-mode "
+    (let ((extension (file-name-extension filename))
+	  (image-extensions '("png" "jpg" "bmp")))
+      (member extension image-extensions)))
+  (defun esh-catimg--image-width (filename)
+    "Get the pixel (?) width of the image FILENAME, using imagemagick. Helper
+for `esh-catimg--image-print'.
+
+Taken from https://emacs.stackexchange.com/questions/3432/display-images-in-eshell-with-iimage-mode "
+    (string-to-number
+     (shell-command-to-string
+      (format "convert '%s' -ping -format \"%%w\" info:" filename))))
+  (defun esh-catimg--rescale-image (filename)
+    "Rescale an image to a maximum width, or leave untouched if already small.
+Returns the new file path. Helper for `esh-catimg--image-print'.
+
+Taken from https://emacs.stackexchange.com/questions/3432/display-images-in-eshell-with-iimage-mode "
+    (let ((file (make-temp-file "resized_emacs"))
+	  (max-width 350))
+      (if (> (esh-catimg--image-width filename) max-width)
+	  (progn
+	    (shell-command-to-string
+	     (format "convert -resize %dx '%s' '%s'" max-width filename file))
+	    file)
+	filename)))
+  (defun esh-catimg--image-print (file)
+    "Print the single image FILE.
+
+Taken from https://emacs.stackexchange.com/questions/3432/display-images-in-eshell-with-iimage-mode "
+    (eshell/printnl (propertize " " 'display (create-image file))))
   (defun eshell/cat (&rest args)
-    "Wrapper around `aweshell-cat-with-syntax-highlight' for multiple arguments.
+    "Wrapper around `aweshell-cat-with-syntax-highlight' for multiple ARGS.
-"
+
+Also, can cat images for some reason.
+
+Taken from https://emacs.stackexchange.com/questions/3432/display-images-in-eshell-with-iimage-mode "
     (setq args (eshell-stringify-list (flatten-tree args)))
     (dolist (file args)
       (if (string= file "-")
 	  (throw 'eshell-external
 		 (eshell-external-command "cat" args))
-	(aweshell-cat-with-syntax-highlight file)))))
+	(if (esh-catimg--imagep file)
+	    (esh-catimg--image-print (esh-catimg--rescale-image file))
+	  (aweshell-cat-with-syntax-highlight file))))))
 (use-package eshell-prompt-extras
   :after eshell
   :custom