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Dired mode (M-x dired RET, or C-x d) supports the
command dired-do-find-regexp-and-replace
(Q), which allows
users to replace regular expressions in multiple files.
You can use this command to perform search/replace operations on multiple files by following the following steps:
find-dired
, find-name-dired
or find-grep-dired
.
query-replace-regexp
session on the marked
files.
Another way to do the same thing is to use the “tags” feature of
Emacs: it includes the command tags-query-replace
which performs
a query-replace across all the files mentioned in the TAGS file.
See Identifier Search in The GNU Emacs Manual.