Author: Aaron S. Hawley, Mark Triggs,
Updated:
Working with integers in the buffer
The functions understand all integers, including negative ones. Provided is a way to interactively increment or decrement an integer under a point or within a region. Integers are understood to be of the form "-?[0-9]+"; the positive symbol is ignored (for better or worse). To make available from a keyboard command put something like the following in your ~/.emacs: (global-set-key [M-up] 'integer-increment-integer-at-point) (global-set-key [M-down] 'integer-decrement-integer-at-point)