[practice] emacs elisp send-regrion-to-term

send-regrion-to-term.el

(defun send-region-to-term nil
  (interactive)
  (send-string "*terminal*" (buffer-substring-no-properties (region-beginning) (region-end)))
  (send-string "*terminal*" "\n"))

(local-set-key (kbd "C-c C-r")
               'send-region-to-term)

try input.txt

;;; try

(term "/bin/bash") ;; open *terminal*

;; send under string to *termianl* with C-c C-r or M-x send-region-to-term

python3

print ("Hello")

exit ()

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more complete project at send-term