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Improve the dired-guess-shell-alist-user doc string

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* lisp/dired-x.el (dired-guess-shell-alist-user): Document how
REGEXP is used (bug#17251).
This commit is contained in:
Lars Ingebrigtsen 2021-05-29 07:49:19 +02:00
parent 22520811e2
commit 2ee7e8a129
1 changed files with 6 additions and 1 deletions
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lisp/dired-x.el
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@ -941,10 +941,15 @@ Each element of this list looks like
(REGEXP COMMAND...)
where each COMMAND can either be a string or a Lisp expression that evaluates
COMMAND will be used if REGEXP matches the file to be processed.
If several files are to be processed, REGEXP has to match all the
files.
Each COMMAND can either be a string or a Lisp expression that evaluates
to a string. If this expression needs to consult the name of the file for
which the shell commands are being requested, it can access that file name
as the variable `file'.
If several COMMANDs are given, the first one will be the default
and the rest will be added temporarily to the history and can be retrieved
with \\[previous-history-element] (M-p) .