Re: query-replace-interactive not documented

[Juri Linkov <juri@jurta.org>]

storm@cua.dk (Kim F. Storm) writes:
> Also, \? could be used to ask the user for a string to insert at
> that point in each replacement...

Good idea!  Below is an improved version.

Index: replace.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/replace.el,v
retrieving revision 1.172
diff -c -r1.172 replace.el
*** replace.el	10 Jun 2004 04:21:14 -0000	1.172
--- replace.el	15 Jun 2004 17:57:28 -0000
@@ -174,6 +183,23 @@
 	   (if (and transient-mark-mode mark-active)
 	       (region-end)))))
 
+  (if (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\[`?]" to-string)
+      (let (to expr sym)
+        (while (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\\\([`?]\\)" to-string)
+          (setq sym (match-string 3 to-string)
+                to  (cons (substring to-string 0 (- (match-end 0) 2)) to)
+                to-string (substring to-string      (match-end 0)))
+          (cond
+           ((equal sym "`")
+            (setq expr      (read-from-string to-string)
+                  to        (cons `(format "%s" ,(car expr)) to)
+                  to-string (substring to-string (cdr expr))))
+           ((equal sym "?")
+            (setq to        (cons `(read-string "Enter string: ") to)))))
+        (setq to (nreverse (delete "" (cons to-string to))))
+        (replace-match-string-symbols to)
+        (setq to-string `(replace-eval-replacement concat ,@to))))
   (perform-replace regexp to-string t t delimited nil nil start end))
 (define-key esc-map [?\C-%] 'query-replace-regexp)

-- 
Juri Linkov
http://www.jurta.org/emacs/