4 .TH SHOW %manext1% "%nmhdate%" MH.6.8 [%nmhversion%]
6 show \- show (display) messages
18 .RB [ \-header " | " \-noheader ]
19 .RB [ \-checkmime " | " \-nocheckmime ]
29 lists each of the specified messages to the standard output
30 (typically, the terminal).
32 By default, text (non-MIME) messages are filtered and displayed by
37 This command will display text
38 messages in a nice, uniform format. It also allows you to configure
39 the format of the displayed messages and which headers fields are
42 manual page for the details about this
43 command. This default can be changed by defining the
45 profile component. Any switches not recognized by
48 passed along to that program. To override the default and the
50 profile component, use the
58 program to list the messages with no reformatting. Normally, this
59 program is specified as the
62 .IR \&.mh\(ruprofile ,
63 rather than using a command line switch.
65 By default, non-text messages (MIME messages with multi-media
66 contents) are processed and displayed by the
72 manual page for details
73 about this command. This default can changed by defining the
75 profile component. Any switches not recognized
78 are passed along to that program. To override this
81 profile component, use the
86 Note that in some cases,
90 even for textual contents. This will happen for text messages that
91 specify a transfer encoding (such as MIME quoted-printable or
92 base64) or specify a character set that
95 can be displayed natively. The environment variable
97 should be set to the terminal's native character set to avoid
98 gratuitous invocations of the
102 man page for details about this environment variable.
106 (set by default) instructs
109 test if any of the messages to be displayed are non-text (MIME)
110 messages. If any are non-text, they are displayed by the program
112 else they are displayed by the program
116 disables this test and instructs
120 regardless of whether
121 any of the messages are non-text (MIME) messages.
125 switch will disable any formatting or paging of
126 messages. It is equivalent to
130 It is still accepted, but should be considered (somewhat) obsolete.
136 to display a one\-line
137 description of the message being shown. This description includes
138 the folder and the message number.
140 If no `msgs' are specified, the current message is used. Although
141 it depends on the specific
145 in the default setup when more than one message is specified, you
146 will be prompted for a <RETURN> prior to listing each message.
147 Each message will be listed a page at a time, and when the end of
148 page is reached, the program will wait for a <SPACE> or <RETURN>.
149 If a <RETURN> is entered, it will print the next line, whereas
150 <SPACE> will print the next screenful.
152 If the standard output is not a terminal, no queries are made, and
153 each file is listed with a one\-line header and two lines of
156 .RB \*(lq "show \-draft" \*(rq
157 will list the file <mh\-dir>/draft if it
160 If the profile entry \*(lqUnseen\-Sequence\*(rq is present and
163 will remove each of the messages shown
164 from each sequence named by the profile entry.
169 .ta \w'%etcdir%/ExtraBigFileName 'u
170 ^$HOME/\&.mh\(ruprofile~^The user profile
173 .SH "PROFILE COMPONENTS"
177 .ta \w'ExtraBigProfileName 'u
178 ^Path:~^To determine the user's nmh directory
179 ^Current\-Folder:~^To find the default current folder
180 ^Unseen\-Sequence:~^To name sequences denoting unseen messages
181 ^showproc:~^Program to show text (non-MIME) messages
182 ^showmimeproc:~^Program to show non-text (MIME) messages
186 mhl(1), mhshow(1), more(1), next(1), prev(1), scan(1)
190 .RB ` +folder "' defaults to the current folder"
191 .RB ` msgs "' defaults to cur"
197 If a folder is given, it will become the current folder. The last
198 message selected will become the current message.
203 switch doesn't work when `msgs' expands to more than
208 then this problem can
209 be circumvented by referencing the \*(lqmessagename\*(rq field in the
214 updates the user's context before showing the message.
217 will mark messages as seen prior to the user actually
218 seeing them. This is generally not a problem, unless the user relies
219 on the \*(lqunseen\*(rq messages mechanism, and interrupts
221 while it is showing \*(lqunseen\*(rq messages.
232 it does not actually run the
235 Hence, if you define your own
249 in the background with only its standard output piped to
250 another process, as in
258 show will go into a \*(lqtty input\*(rq state.
259 To avoid this problem, re\-direct
261 diagnostic output as well.
273 show 2>&1 | imprint &