Function: eshell-search-start

eshell-search-start is a byte-compiled function defined in em-hist.el.gz.

Signature

(eshell-search-start ARG)

Documentation

Index to start a directional search, starting at eshell-history-index.

Source Code

;; Defined in /usr/src/emacs/lisp/eshell/em-hist.el.gz
(defun eshell-search-start (arg)
  "Index to start a directional search, starting at `eshell-history-index'."
  (if eshell-history-index
      ;; If a search is running, offset by 1 in direction of arg
      (mod (+ eshell-history-index (if (> arg 0) 1 -1))
	   (ring-length eshell-history-ring))
    ;; For a new search, start from beginning or end, as appropriate
    (if (>= arg 0)
	0                               ; First elt for forward search
      ;; Last elt for backward search
      (1- (ring-length eshell-history-ring)))))