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mhpath(1mh)

MH.6.8
2019-01-06

nmh

A capable MIME-email-handling system with a command-line interface

mmh

set of electronic mail handling programs

NAME

mhpath - print full pathnames of mh messages and folders

SYNOPSIS

mhpath [+folder] [msgs] [-Version] [-help]

DESCRIPTION

mhpath expands and sorts the message list ‘msgs’ and writes the full pathnames of the messages to the standard output separated by newlines. If no ‘msgs’ are specified, mhpath outputs the current mail folder’s pathname instead. If the only argument is ‘+’, your mail storage location (‘Path’) is output; this can be useful in shell scripts.
Contrasted with other mmh commands, a message argument to mhpath may often be intended for writing. Because of this:
1) the name ‘b’ has been added to mhpath’s list of reserved message names (the others are ‘f’, ‘l’, ‘p’, ‘n’, ‘c’, and ‘a’). The ‘b’ (beyond) message is equivalent to the message after the last message in a folder (and equivalent to 1 in a folder without messages). The ‘b’ message may not be used as part of a message range.
2) Within a message list, the following designations may refer to messages that do not exist: a single numeric message name, the single message name ‘c’, and (obviously) the single message name ‘b’. All other message designations must refer to at least one existing message, if the folder contains messages.
3) An empty folder is not in itself an error.
Message numbers greater than the highest existing message in a folder as part of a range designation are replaced with the next free message number.
Examples: The current folder foo contains messages 3 5 6. Cur is 4.
% mhpath
/r/phyl/Mail/foo

% mhpath a /r/phyl/Mail/foo/3 /r/phyl/Mail/foo/5 /r/phyl/Mail/foo/6
% mhpath 2001 /r/phyl/Mail/foo/7
% mhpath 1-2001 /r/phyl/Mail/foo/3 /r/phyl/Mail/foo/5 /r/phyl/Mail/foo/6
% mhpath b /r/phyl/Mail/foo/7
% mhpath l b /r/phyl/Mail/foo/6 /r/phyl/Mail/foo/7
% mhpath l-b bad message list ‘l-b’.
% mhpath c /r/phyl/Mail/foo/4
% mhpath 1-2 no messages in range ‘1-2’.
% mhpath f:2 /r/phyl/Mail/foo/3 /r/phyl/Mail/foo/5
% mhpath 1 2 /r/phyl/Mail/foo/1 /r/phyl/Mail/foo/2
mhpath is also useful in back-quoted operations:
% cd ‘mhpath +inbox‘

% echo ‘mhpath +‘ /r/phyl/Mail

FILES

^$HOME/.mmh/profile~^The user profile

PROFILE COMPONENTS

^Path:~^To determine the user’s mail storage
^Current-Folder:~^To find the default current folder

SEE ALSO

DEFAULTS

+folder’ defaults to the current folder
‘msgs’ defaults to none

CONTEXT

None

BUGS

Like all mmh commands, mhpath expands and sorts [msgs]. So don’t expect
mv ‘mhpath 501 500‘
to move 501 to 500. Quite the reverse. But
mv ‘mhpath 501‘ ‘mhpath 500‘
will do the trick.
Out of range message 0 is treated far more severely than large out of range message numbers.
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