4 .TH SHOW %manext1% "%nmhdate%" MH.6.8 [%nmhversion%]
6 show \- show (display) messages
17 .RB [ \-header " | " \-noheader ]
18 .RB [ \-checkmime " | " \-nocheckmime ]
28 lists each of the specified messages to the standard output
29 (typically, the terminal).
31 By default, text (non-MIME) messages are filtered and displayed by
36 This command will display text
37 messages in a nice, uniform format. It also allows you to configure
38 the format of the displayed messages and which headers fields are
41 manual page for the details about this
42 command. This default can be changed by defining the
44 profile component. Any switches not recognized by
47 passed along to that program. To override the default and the
49 profile component, use the
57 program to list the messages with no reformatting. Normally, this
58 program is specified as the
60 in the user's profile,
61 rather than using a command line switch.
63 By default, non-text messages (MIME messages with multi-media
64 contents) are processed and displayed by the
70 manual page for details
71 about this command. This default can changed by defining the
73 profile component. Any switches not recognized
76 are passed along to that program. To override this
79 profile component, use the
84 Note that in some cases,
88 even for textual contents. This will happen for text messages that
89 specify a transfer encoding (such as MIME quoted-printable or
90 base64) or specify a character set that
93 can be displayed natively. The environment variable
95 should be set to the terminal's native character set to avoid
96 gratuitous invocations of the
100 man page for details about this environment variable.
104 (set by default) instructs
107 test if any of the messages to be displayed are non-text (MIME)
108 messages. If any are non-text, they are displayed by the program
110 else they are displayed by the program
114 disables this test and instructs
118 regardless of whether
119 any of the messages are non-text (MIME) messages.
123 switch will disable any formatting or paging of
124 messages. It is equivalent to
128 It is still accepted, but should be considered (somewhat) obsolete.
130 If the environment variable
133 non-text (MIME) messages will be disabled. This method is obsolete.
142 to display a one\-line
143 description of the message being shown. This description includes
144 the folder and the message number.
146 If no `msgs' are specified, the current message is used. Although
147 it depends on the specific
151 in the default setup when more than one message is specified, you
152 will be prompted for a <RETURN> prior to listing each message.
153 Each message will be listed a page at a time, and when the end of
154 page is reached, the program will wait for a <SPACE> or <RETURN>.
155 If a <RETURN> is entered, it will print the next line, whereas
156 <SPACE> will print the next screenful.
158 If the standard output is not a terminal, no queries are made, and
159 each file is listed with a one\-line header and two lines of
162 If the profile entry \*(lqUnseen\-Sequence\*(rq is present and
165 will remove each of the messages shown
166 from each sequence named by the profile entry.
171 .ta \w'%etcdir%/ExtraBigFileName 'u
172 ^$HOME/.mmh/profile~^The user profile
175 .SH "PROFILE COMPONENTS"
179 .ta \w'ExtraBigProfileName 'u
180 ^Path:~^To determine the user's mail storage
181 ^Current\-Folder:~^To find the default current folder
182 ^Unseen\-Sequence:~^To name sequences denoting unseen messages
183 ^showproc:~^Program to show text (non-MIME) messages
184 ^showmimeproc:~^Program to show non-text (MIME) messages
188 mhl(1), mhshow(1), more(1), next(1), prev(1), scan(1)
192 .RB ` +folder "' defaults to the current folder"
193 .RB ` msgs "' defaults to cur"
199 If a folder is given, it will become the current folder. The last
200 message shown will become the current message.
205 switch doesn't work when `msgs' expands to more than
210 then this problem can
211 be circumvented by referencing the \*(lqmessagename\*(rq field in the
216 updates the user's context before showing the message.
219 will mark messages as seen prior to the user actually
220 seeing them. This is generally not a problem, unless the user relies
221 on the \*(lqunseen\*(rq messages mechanism, and interrupts
223 while it is showing \*(lqunseen\*(rq messages.
234 it does not actually run the
237 Hence, if you define your own
251 in the background with only its standard output piped to
252 another process, as in
260 show will go into a \*(lqtty input\*(rq state.
261 To avoid this problem, re\-direct
263 diagnostic output as well.
275 show 2>&1 | imprint &