Партнёры:
Хостинг:
folder, folders - set/list current folder/message
folders is equivalent to folder -all
Since the nmh environment is the shell, it is easy to lose track of the current folder from day to day. When folder is given the `-print' switch (the default), folder will list the current folder, the number of messages in it, the range of the messages (low-high), and the current message within the folder, and will flag extra files if they exist. An example of this summary is:
inbox+ has 16 messages ( 3- 22); cur= 5.
If a `+folder' and/or `msg' are specified, they will become the current folder and/or message. By comparison, when a `+folder' argument is given, this corresponds to a ``cd'' operation in the shell; when no `+folder' argument is given, this corresponds roughly to a ``pwd'' operation in the shell.
If the specified (or default) folder doesn't exist, the default action is to query the user as to whether the folder should be created; when standard input is not a tty, the answer to the query is assumed to be ``yes''.
Specifying `-create' will cause folder to create new folders without any query. (This is the easy way to create an empty folder for use later.) Specifying `-nocreate' will cause folder to exit without creating a non-existant folder. Specifying `-all' will produce a summary line for each top-level folder in the user's nmh directory, sorted alphabetically. (If folder is invoked by a name ending with ``s'' (e.g., folders ), `-all' is assumed). Specifying `-recurse' with `-all' will also produce a line for all sub-folders. These folders are all preceded by the read-only folders, which occur as ``atr-cur-'' entries in the user's nmh context. For example,
FOLDER # MESSAGES RANGE CUR (OTHERS) /var/work/folder has 35 messages ( 1- 35); cur=23. /usr/bugs/Mail has 82 messages ( 1-108); cur=82. ff has no messages. inbox+ has 16 messages ( 3- 22); cur= 5. mh has 76 messages (15- 76); cur=70. notes has 2 messages ( 1- 2); cur= 1. ucom has 124 messages ( 1-124); cur= 6; (others). TOTAL = 339 messages in 7 folders
The ``+'' after inbox indicates that it is the current folder. The ``(others)'' indicates that the folder `ucom' has files which aren't messages. These files may either be sub-folders, or files that don't belong under the nmh file naming scheme.
The header is output if either a `-all' or a `-header' switch is specified. It is suppressed by `-noheader'.
The folder and message totals are output if either a `-all' or a `-total' switch is specified. It is suppressed by `-nototal'.
If `-fast' is given, only the folder name (or names in the case of `-all') will be listed. (This is faster because the folders need not be read.)
If a `+folder' is given along with the `-all' switch, folder will, in addition to setting the current folder, list the top-level subfolders for the current folder (with `-norecurse') or list all sub-folders under the current folder recursively (with `-recurse'). In this case, if a `msg' is also supplied, it will become the current message of `+folder'.
The `-recurse' switch lists each folder recursively, so use of this option effectively defeats the speed enhancement of the `-fast' option, since each folder must be searched for subfolders. Nevertheless, the combination of these options is useful.
The `-pack' switch will compress the message names in the designated folders, removing holes in message numbering. The `-verbose' switch directs folder to tell the user the general actions that it is taking to compress the folder.
The `-push' switch directs folder to push the current folder onto the folder-stack, and make the `+folder' argument the current folder. If `+folder' is not given, the current folder and the top of the folder-stack are exchanged. This corresponds to the ``pushd'' operation in the CShell.
The `-pop' switch directs folder to discard the top of the folder-stack, after setting the current folder to that value. No `+folder' argument is allowed. This corresponds to the ``popd'' operation in the CShell. The `-push' switch and the `-pop' switch are mutually exclusive: the last occurrence of either one overrides any previous occurrence of the other. Both of these switches also set `-list' by default.
The `-list' switch directs folder to list the contents of the folder-stack. No `+folder' argument is allowed. After a successful `-push' or `-pop', the `-list' action is taken, unless a `-nolist' switch follows them on the command line. This corresponds to the ``dirs'' operation in the CShell. The `-push', `-pop', and `-list' switches turn off `-print'. ^$HOME/.mh_profile~^The user profile ^Path:~^To determine the user's nmh directory ^Current-Folder:~^To find the default current folder ^Folder-Protect:~^To set mode when creating a new folder ^Folder-Stack:~^To determine the folder stack refile(1), mhpath(1) `+folder' defaults to the current folder `msg' defaults to none `-nofast' `-noheader' `-nototal' `-nopack' `-norecurse' `-noverbose' `-print' is the default if no `-list', `-push', or `-pop' is specified `-list' is the default if `-push', or `-pop' is specified If `+folder' and/or `msg' are given, they will become the current folder and/or message. There is no way to restore the default behavior (to ask the user whether to create a non-existant folder) after `-create' or `-nocreate' is given.
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