NetBSD-5.0.2/games/fortune/fortune/fortune.6

.\"	$NetBSD: fortune.6,v 1.11 2004/09/09 22:01:08 wiz Exp $
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.\" This code is derived from software contributed to Berkeley by
.\" Ken Arnold.
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.\" modification, are permitted provided that the following conditions
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.\"    may be used to endorse or promote products derived from this software
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.\"	@(#)fortune.6	8.3 (Berkeley) 4/19/94
.\"
.Dd September 9, 2004
.Dt FORTUNE 6
.Os
.Sh NAME
.Nm fortune
.Nd print a random, hopefully interesting, adage
.Sh SYNOPSIS
.Nm
.Op Fl aefilosw
.Op Fl m Ar pattern
.Oo
.Op Ar N%
.Ar file/dir/all
.Oc
.Sh DESCRIPTION
When
.Nm
is run with no arguments it prints out a random epigram.
Epigrams are divided into several categories, where each category
is subdivided into those which are potentially offensive and those
which are not.
The options are as follows:
.Bl -tag -width flag
.It Fl a
Choose from all lists of maxims, both offensive and not.
(See the
.Fl o
option for more information on offensive fortunes.)
.It Fl e
Consider all fortune files to be of equal size (see discussion below
on multiple files).
.It Fl f
Print out the list of files which would be searched, but don't
print a fortune.
.It Fl i
Ignore case for
.Fl m
patterns.
.It Fl l
Long dictums only.
.It Fl m Ar pattern
Print out all fortunes which match the regular expression
.Ar pattern .
See
.Xr regex 3
for a description of patterns.
.It Fl o
Choose only from potentially offensive aphorisms.
.Bf -symbolic
Please, please, please request a potentially offensive fortune if and
only if you believe, deep down in your heart, that you are willing
to be offended.
(And that if you are, you'll just quit using
.Fl o
rather than give us grief about it, okay?)
.Ef
.Bd -filled -offset indent
\&... let us keep in mind the basic governing philosophy
of The Brotherhood, as handsomely summarized in these words:
we believe in healthy, hearty laughter -- at the expense of
the whole human race, if needs be.
Needs be.
.Bd -filled -offset indent-two -compact
--H. Allen Smith, "Rude Jokes"
.Ed
.Ed
.It Fl s
Short apothegms only.
.It Fl w
Wait before termination for an amount of time calculated from the
number of characters in the message.
This is useful if it is executed as part of the logout procedure
to guarantee that the message can be read before the screen is cleared.
.El
.Pp
The user may specify alternative sayings.
You can specify a specific file, a directory which contains one or
more files, or the special word
.Em all ,
which says to use all the standard databases.
Any of these may be preceded by a percentage, which is a number
.Ar N
between 0 and 100 inclusive, followed by a
.Sq %
character.
If it is, there will be an
.Ar N
percent probability that an adage will be picked from that file
or directory.
If the percentages do not sum to 100, and there are specifications
without percentages, the remaining percent will apply to those files
and/or directories, in which case the probability of selecting from
one of them will be based on their relative sizes.
.Pp
As an example, given two databases
.Em funny
and
.Em not-funny ,
with
.Em funny
twice as big, saying
.Bd -literal -offset indent
$ fortune funny not-funny
.Ed
.Pp
will get you fortunes out of
.Em funny
two-thirds of the time.
The command
.Bd -literal -offset indent
$ fortune 90% funny 10% not-funny
.Ed
.Pp
will pick out 90% of its fortunes from
.Em funny
(the
.Dq 10%
is unnecessary, since 10% is all that's left).
The
.Fl e
option says to consider all files equal; thus
.Bd -literal -offset indent
$ fortune -e
.Ed
.Pp
is equivalent to
.Bd -literal -offset indent
$ fortune 50% funny 50% not-funny
.Ed
.Pp
Datafiles for
.Nm
are created by the
.Xr strfile 8
utility, which is not installed by default,
The source code for this utility
can be found in
.Pa /usr/src/games/fortune/strfile ,
if it exists.
.Sh FILES
.Bl -tag -width XX/usr/share/games/fortune/*XX -compact
.It Pa /usr/share/games/fortune/*
Fortune files.
.El
.Sh SEE ALSO
.Xr regex 3 ,
.Xr random 6 ,
.Xr rot13 6