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This answer shows how to position the cursor at an offset of a specified number of characters from the beginning of the buffer, namely by executing M-x goto-char 47 (for an offset of 47 characters from the buffer's beginning). How can I position the cursor at an offset of a specified number of character from the buffer's end?

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Reset to default
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You can achieve that using

(goto-char (- (buffer-size) offset))

Where you replace 'offset' with some number. (You can run the command using M-:)

Alternatively, you could first jump to the end of the buffer using M-> end then jump back a certain number of characters using a numerical prefix by pressing C-u 'some-number' followed by C-b.

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  • Thanks. Is there a way to specify the buffer size as an argument to goto-char when using the M-x-goto-char version? Say, something along the lines of M-x-goto-char-(-(buffer-size) 47)?
    – Evan Aad
    Commented Dec 13, 2022 at 9:49
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    Not that I know of. But you can easily create a custom command for it of course. (here is another link to how to create a command).
    – dalanicolai
    Commented Dec 13, 2022 at 9:52

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