xref: /freebsd/usr.bin/banner/banner.6 (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
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28.Dd June 21, 2021
29.Dt BANNER 6
30.Os
31.Sh NAME
32.Nm banner
33.Nd print large banner on printer
34.Sh SYNOPSIS
35.Nm
36.Op Fl d
37.Op Fl t
38.Op Fl w Ar width
39.Ar message ...
40.Sh DESCRIPTION
41.Nm Banner
42prints a large, high quality banner on the standard output.
43If the message is omitted, it prompts for and reads one line of its
44standard input.
45.Pp
46The output should be printed on paper of the appropriate width,
47with no breaks between the pages.
48.Pp
49The following options are available:
50.Bl -tag -width indent
51.It Fl d
52Enable debug.
53.It Fl t
54Enable trace.
55.It Fl w Ar width
56Change the output from a width of 132 to
57.Ar width ,
58suitable for a narrow terminal.
59.El
60.Sh HISTORY
61The
62.Nm
63utility first appeared in
64.At v6 .
65.Sh AUTHORS
66.An Mark Horton
67.Sh BUGS
68Several
69.Tn ASCII
70characters are not defined, notably <, >, [, ], \\,
71^, _, {, }, |, and ~.
72Also, the characters ", ', and & are funny looking (but in a useful way.)
73.Pp
74The
75.Fl w
76option is implemented by skipping some rows and columns.
77The smaller it gets, the grainier the output.
78Sometimes it runs letters together.
79.Pp
80Messages are limited to 1024 characters in length.
81