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Expressions régulières,
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ISBN : 978-2-7460-9712-4
EAN : 9782746097124
(Editions ENI)


CentOS 2.1AS







sortm − sort messages


sortm [+folder] [msgs] [−datefield field] [−textfield field]
[−notextfield] [−limit days] [−nolimit] [−verbose]
[−noverbose] [−version] [−help]


Sortm sorts the specified messages in the named folder according to the chronological order of the “Date:” field of each message.

The ’−verbose’ switch directs sortm to tell the user the general actions that it is taking to place the folder in sorted order.

The ’−datefield field’ switch tells sortm the name of the field to use when making the date comparison. If the user has a special field in each message, such as “BB−Posted:” or “Delivery−Date:”, then the ’−datefield’ switch can be used to direct sortm which field to examine.

The ’−textfield field’ switch causes sortm to sort messages by the specified text field. If this field is “subject”, any leading "re:" is stripped off. In any case, all characters except letters and numbers are stripped and the resulting strings are sorted datefield−major, textfield−minor, using a case insensitive comparison.

With ’−textfield field’, if ’−limit days’ is specified, messages with similar textfields that are dated within ’days’ of each other appear together. Specifying ’−nolimit’ makes the limit infinity. With ’−limit 0’, the sort is instead made textfield−major, date−minor.

For example, to order a folder by date-major, subject-minor, use:

sortm -textfield subject +folder

^$HOME/.mh_profile~^The user profile ^Path:~^To determine the user’s nmh directory ^Current−Folder:~^To find the default current folder folder (1) ’+folder’ defaults to the current folder ’msgs’ defaults to all ’−datefield date’ ’−notextfield’ ’−noverbose’ ’−nolimit’ If a folder is given, it will become the current folder. If the current message is moved, sortm will preserve its status as current. Timezones used to be ignored when comparing dates: they aren’t any more.

Messages which were in the folder, but not specified by ’msgs’, used to be moved to the end of the folder; now such messages are left untouched.

Sortm sometimes did not preserve the message numbering in a folder (e.g., messages 1, 3, and 5, might have been renumbered to 1, 2, 3 after sorting). This was a bug, and has been fixed. To compress the message numbering in a folder, use “folder −pack” as always. If sortm encounters a message without a date−field, or if the message has a date−field that sortm cannot parse, then sortm attempts to keep the message in the same relative position. This does not always work. For instance, if the first message encountered lacks a date which can be parsed, then it will usually be placed at the end of the messages being sorted.

When sortm complains about a message which it can’t temporally order, it complains about the message number prior to sorting. It should indicate what the message number will be after sorting.