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Inside emacs I am running interpreters for several different languages (python, R, lisp, ...). When I run the interpreters through the terminal in most cases I can use the up arrow to see the last command or line of code that I entered. I no longer have this functionality when I am running the interpreters in emacs. How can I achieve this functionality?
At the moment I need to use python, so if anyone knows how to do this specifically with the python interpreter in emacs please let me know!
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The History Log is stored in the . spyder-py3 (Python 3) or spyder (Python 2) directory in your user home folder (by default, C:/Users/username on Windows, /Users/username for macOS, and typically /home/username on GNU/Linux).
To execute a file of Emacs Lisp code, use M-x load-file . This command reads a file name using the minibuffer and then executes the contents of that file as Lisp code. It is not necessary to visit the file first; in any case, this command reads the file as found on disk, not text in an Emacs buffer.
Eshell is a shell-like command interpreter implemented in Emacs Lisp. It invokes no external processes except for those requested by the user.
You can use M-p or Ctrl-up to get to the previous command. The complementary keys M-n or Ctrl-down will get you the next command in history.
Check out Emacs' manual page on the shell history ring.
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