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Code Issues Releases Activity

(eshell-copy-tree): Make it an alias for copy-tree.

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This commit is contained in:
Richard M. Stallman 2002-06-10 09:02:54 +00:00
parent cfebd4db43
commit efbddb8e15
1 changed files with 1 additions and 17 deletions
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18
lisp/eshell/esh-util.el
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@ -710,23 +710,7 @@ Unless optional argument INPLACE is non-nil, return a new string."
(setq entry nil)))))))
(or entry (funcall handler 'file-attributes file)))))
(defun eshell-copy-tree (tree &optional vecp)
"Make a copy of TREE.
If TREE is a cons cell, this recursively copies both its car and its cdr.
Contrast to copy-sequence, which copies only along the cdrs. With second
argument VECP, this copies vectors as well as conses."
(if (consp tree)
(let ((p (setq tree (copy-sequence tree))))
(while (consp p)
(if (or (consp (car p)) (and vecp (vectorp (car p))))
(setcar p (eshell-copy-tree (car p) vecp)))
(or (listp (cdr p)) (setcdr p (eshell-copy-tree (cdr p) vecp)))
(cl-pop p)))
(if (and vecp (vectorp tree))
(let ((i (length (setq tree (copy-sequence tree)))))
(while (>= (setq i (1- i)) 0)
(aset tree i (eshell-copy-tree (aref tree i) vecp))))))
tree)
(defalias 'eshell-copy-tree 'copy-tree)
(defsubst eshell-processp (proc)
"If the `processp' function does not exist, PROC is not a process."