mshmh - Online in the Cloud

PROGRAM:

NAME

msh - nmh shell (and BBoard reader)

SYNOPSIS

msh [-prompt string] [-scan | -noscan] [-topcur | -notopcur] [file] [-version] [-help]

STATUS

msh is deprecated and will be removed from the next nmh release.

DESCRIPTION

msh is an interactive program that implements a subset of the normal nmh commands
operating on a single file in mmdf format. That is, msh is used to read a file that
contains a number of messages, as opposed to the standard nmh style of reading a number of
files, each file being a separate message in a folder. msh's chief advantage is that the
normal nmh style does not allow a file to have more than one message in it. Hence, msh is
ideal for reading BBoards, as these files are delivered by the transport system in this
format. In addition, msh can be used on other files, such as message archives which have
been packed (see packf(1)). Finally, msh is an excellent nmh tutor. As the only commands
available to the user are nmh commands, this allows nmh beginners to concentrate on how
commands to nmh are formed and (more or less) what they mean.

When invoked, msh reads the named file, and enters a command loop. The user may type most
of the normal nmh commands. The syntax and semantics of these commands typed to msh are
identical to their nmh counterparts. In cases where the nature of msh would be
inconsistent (e.g., specifying a +folder with some commands), msh will duly inform the
user. The commands that msh currently supports (in some slightly modified or restricted
forms) are:

ali
burst
comp
dist
folder
forw
inc
mark
mhmail
mhn
msgchk
next
packf
pick
prev
refile
repl
rmm
scan
send
show
sortm
whatnow
whom

In addition, msh has a help command which gives a brief overview. To terminate msh, type
CTRL-D, or use the quit command.

If the file is writable and has been modified, then using quit will query the user if the
file should be updated.

The -prompt string switch sets the prompting string for msh.

You may wish to use an alternate nmh profile for the commands that msh executes; see mh-
profile(5) for details about the $MH environment variable.

The exit command is identical to the quit command in msh.

msh supports an output redirection facility. Commands may be followed by one of

^> file~^write output to file
^>> file~^append output to file
^| command~^pipe output to UNIX command

If file starts with a “ ” (tilde), then a csh-like expansion takes place. Note that
command is interpreted by sh. Also note that msh does NOT support history substitutions,
variable substitutions, or alias substitutions.

When parsing commands to the left of any redirection symbol, msh will honor `\'
(backslash) as the quote next-character symbol, and `“' (double-quote) as quote-word
delimiters. All other input tokens are separated by whitespace (spaces and tabs).

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