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	1	.\" Copyright (c) 1991, 1993
	2	.\" The Regents of the University of California. All rights reserved.
	3	.\"
	4	.\" This code is derived from software contributed to Berkeley by
	5	.\" Jim R. Oldroyd at The Instruction Set.
	6	.\"
	7	.\" Redistribution and use in source and binary forms, with or without
	8	.\" modification, are permitted provided that the following conditions
	9	.\" are met:
	10	.\" 1. Redistributions of source code must retain the above copyright
	11	.\" notice, this list of conditions and the following disclaimer.
	12	.\" 2. Redistributions in binary form must reproduce the above copyright
	13	.\" notice, this list of conditions and the following disclaimer in the
	14	.\" documentation and/or other materials provided with the distribution.
	15	.\" 3. All advertising materials mentioning features or use of this software
	16	.\" must display the following acknowledgement:
	17	.\" This product includes software developed by the University of
	18	.\" California, Berkeley and its contributors.
	19	.\" 4. Neither the name of the University nor the names of its contributors
	20	.\" may be used to endorse or promote products derived from this software
	21	.\" without specific prior written permission.
	22	.\"
	23	.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	24	.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	25	.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	27	.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	28	.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	29	.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	30	.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	31	.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	32	.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	33	.\" SUCH DAMAGE.
	34	.\"
	35	.\" @(#)quiz.6 8.1 (Berkeley) 5/31/93
	36	.\" $FreeBSD: src/games/quiz/quiz.6,v 1.3.2.1 2000/12/08 13:40:05 ru Exp $
	37	.\" $DragonFly: src/games/quiz/quiz.6,v 1.2 2003/06/17 04:25:24 dillon Exp $
	38	.\"
	39	.Dd May 31, 1993
	40	.Dt QUIZ 6
	41	.Os
	42	.Sh NAME
	43	.Nm quiz
	44	.Nd random knowledge tests
	45	.Sh SYNOPSIS
	46	.Nm
	47	.Op Fl t
	48	.Op Fl i Ar file
	49	.Op Ar question answer
	50	.Sh DESCRIPTION
	51	The
	52	.Nm
	53	utility tests your knowledge of random facts.
	54	It has a database of subjects from which you can choose.
	55	With no arguments,
	56	.Nm
	57	displays the list of available subjects.
	58	.Pp
	59	The options are as follows:
	60	.Bl -tag -width indent
	61	.It Fl t
	62	Use tutorial mode, in which questions are repeated later if you didn't get
	63	them right the first time, and new questions are presented less frequently
	64	to help you learn the older ones.
	65	.It Fl i
	66	Specify an alternate index file.
	67	.El
	68	.Pp
	69	Subjects are divided into categories.
	70	You can pick any two categories from the same subject.
	71	.Nm Quiz
	72	will ask questions from the first category and it expects answers from
	73	the second category.
	74	For example, the command ``quiz victim killer'' asks questions which are
	75	the names of victims, and expects you to answer with the cause of their
	76	untimely demise, whereas the command ``quiz killer victim'' works the
	77	other way around.
	78	.Pp
	79	If you get the answer wrong,
	80	.Nm
	81	lets you try again.
	82	To see the right answer, enter a blank line.
	83	.Sh "Index and Data File Syntax"
	84	The index and data files have a similar syntax.
	85	Lines in them consist of several categories separated by colons.
	86	The categories are regular expressions formed using the following
	87	meta-characters:
	88	.Pp
	89	.Bl -tag -width "pat\|pat" -compact -offset indent
	90	.It pat\|pat
	91	alternate patterns
	92	.It {pat}
	93	optional pattern
	94	.It [pat]
	95	delimiters, as in pat[pat\|pat]pat
	96	.El
	97	.Pp
	98	In an index file, each line represents a subject.
	99	The first category in each subject is the pathname of the data file for
	100	the subject.
	101	The remaining categories are regular expressions for the titles of each
	102	category in the subject.
	103	.Pp
	104	In data files, each line represents a question/answer set.
	105	Each category is the information for the question/answer for that category.
	106	.Pp
	107	The backslash character (``\e'') is used to quote syntactically significant
	108	characters, or at the end of a line to signify that a continuation line
	109	follows.
	110	.Pp
	111	If either a question or its answer is empty,
	112	.Nm
	113	will refrain from asking it.
	114	.Sh FILES
	115	.Bl -tag -width /usr/share/games/quiz.db -compact
	116	.It Pa /usr/share/games/quiz.db
	117	The default index and data files.
	118	.El
	119	.Sh BUGS
	120	.Nm Quiz
	121	is pretty cynical about certain subjects.