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Archiving Messages

Archiving Messages

M-x wl-summary-archive copies the whole folder to archiving folders. If there are the archiving folders already, only new messages are appended.

You can use wl-archive-alist in order to specify how messages are archived according to their folder names, as in wl-expire-alist. For example: 

(setq wl-archive-alist
      '(("^\\+tmp$"     wl-archive-date)
        ("^\\+outbox$"  wl-archive-number2)
        (".*"           wl-archive-number1)))

Each item in the list has the following format: 

(folders-regexp  deleting-function)

As you can see, you can only use a function after folders-regexp. Per default, there are three functions:

As inferred from their names, they work similarly to "expire" versions, other than the following points:

These functions are good to archive all messages in a folder by their numbers or by their dates. These are also useful for backup or confirmation purposes before expiration. If you try to re-file them after they are archived, they are deleted but not re-filed.

Per default, the archiving folders to which messages are copied are determined automatically by wl-expire-archive-get-folder-function. You can copy to a specific folder by invoking with a prefix argument, i.e. C-u M-x wl-summary-archive.

Note that this feature has not been seriously tested, because you can simply copy to an archiving folder, for example by wl-summary-copy-region.

The archiving folders are determined by the same logic as in wl-summary-expire; the following customizable variables are relevant:

Customizable Variables

wl-archive-alist
The initial setting is the list shown below: 
((".*" wl-archive-number1))
This variable specifies a function that copies to archiving folders. To the function, three arguments are passed: a folder name, a list of messages in the folder, and msgdb information of the summary. Needless to say, you can use your own function.

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