.\" Copyright (c) 1990, 1993, 1994
.\"	The Regents of the University of California.   All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the Institute of Electrical and Electronics Engineers, Inc.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1.  Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2.  Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3.  All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4.  Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.   IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"	@(#) sleep. 1	8.3 (Berkeley) 4/18/94
.\" %FreeBSD: src/bin/sleep/sleep. 1, v 1.15. 2.2 2001/08/16 10:01:09 ru Exp %
.\"
.\" $FreeBSD: doc/ja_JP.eucJP/man/man1/sleep. 1, v 1.13 2001/08/17 06:18:10 horikawa Exp $
.\"
.Dd April 18, 1994
.Dt SLEEP 1
.Os
.Sh ¸íĪ
.Nm sleep
.Nd ÀÏÁ¤ÇÑ ½Ã°£ ½ÇÇàÀ» Á¤ÁöÇÑ´Ù
.Sh ¼­½Ä
.Nm
.Ar seconds
.Sh Çؼ³
.Nm
¸í·ÉÀº, Àû¾îµµ
.Ar seconds
±×¸®°í ÁöÁ¤ÇÑ Ãʼö¸¸Å­ ½ÇÇàÀ» Á¤ÁöÇÕ´Ï´Ù.
.Pp
.Nm
¸í·ÉÀÌ ½Ã±×³ÎÀ» ¼ö½ÅÇϸé(ÀÚ) Ç¥ÁØÀÇ µ¿ÀÛÀ» ½Ç½ÃÇÕ´Ï´Ù.
.Sh ½ÇÀå¿¡ °üÇÑ ÁÖ
ÀÌ ½ÇÀå¿¡ ´ëÇؼ­´Â,
.Dv SIGALRM
½Ã±×³ÎÀº Ưº°È÷´Â ´Ù·ç¾îÁöÁö ¾Ê½À´Ï´Ù.
.Pp
.Nm
¸í·ÉÀº, ºñÁ¤¼öÀÇ ¼öÄ¡·Î ÁöÁ¤µÈ Ãʼö¸¦ ¹Þ¾Æµé¿©, ÀÌ°ÍÀ» Á¸ÁßÇÕ´Ï´Ù.
(¼Ò¼öÁ¡À¸·Î¼­
.Ql . \&
ij¸¯Å͸¦ »ç¿ëÇÕ´Ï´Ù).
.Bf Sy
ÀÌ°ÍÀº ÈÞ´ë¿ëÀÌ ¾Æ´Ñ È®ÀåÀÔ´Ï´Ù.
ÀÌ°ÍÀ» »ç¿ëÇÏ´Â ¼Ð ½ºÅ©¸³Æ®´Â,
´Ù¸¥ ½Ã½ºÅÛÀ¸·Î ¿Ã¹Ù¸£°Ô ½ÇÇàÇÒ ¼ö ¾ø´Â °ÍÀ», °ÅÀÇ ÇÁ·ÎÅؼÇÇÒ ¼ö ÀÖ½À´Ï´Ù.
.Ef
.Sh Áø´Ü
.Nm
¸í·ÉÀº Á¾·á½Ã¿¡ ÀÌÇÏÀÇ °ªÀÇ ¾î´ÀÂÊÀ̵çÀ» µ¹·ÁÁÝ´Ï´Ù.
.Bl -tag -width flag
.It Li \&0
Á¤»ó Á¾·áÇßÀ» °æ¿ì.
.It Li \&>\&0
¿¡·¯°¡ ÀϾÀ» °æ¿ì.
.El
.Sh »ç¿ë¿¹
¾î´À ¸í·ÉÀÇ ½ÇÇàÀ»
.Va x
ÃÊ ÈÄ¿¡ ¼³Á¤ÇÏ°í ½ÍÀº °æ¿ì:
.Pp
.Dl (sleep 1800; sh command_file >& errors)&
.Pp
»ó±âÀÇ ¿¹¿¡¼­´Â, command_file ·Î ÁöÁ¤ÇÑ ½ºÅ©¸³Æ®¸¦ ½ÇÇàÇϱâ Àü¿¡
30 ºÐ°£ ±â´Ù¸³´Ï´Ù(
.Xr at 1
À¯Æ¿¸®Æ¼ÀÇ Ç×À» ÂüÁ¶).
.Pp
¾î´À ¸í·ÉÀ»(
.Xr csh 1
(À»)¸¦ »ç¿ëÇØ) ¹Ýº¹ ½ÇÇàÇÏ°í ½ÍÀº °æ¿ì:
.Pp
.Bd -literal -offset indent -compact
while (1)
	if (!  -r zzz.rawdata) then
		sleep 300
	else
		foreach i (`ls *.rawdata`)
			sleep 70
			awk -f collapse_data $i >> results
		end
		break
	endif
end
.Ed
.Pp
ÀÌ·¯ÇÑ ½ºÅ©¸³Æ®°¡ ÇÊ¿äÇÏ°Ô µÇ´Â °ÍÀº ÀÌÇÏ¿Í °°Àº °æ¿ìÁö¿ä:
ÇöÀç ½ÇÇàÁßÀÇ ÇÁ·Î±×·¥ÀÌ, ÀÏ·ÃÀÇ ÆÄÀϱºÀ» ó¸®Çϴµ¥ ¿¹»ó ÀÌ»óÀÇ
½Ã°£À» ÇÊ¿ä·Î ÇÏ°í ÀÖ¾î, ÀÌ ÇÁ·Î±×·¥ÀÌ Ã³¸® °á°ú¸¦ ÆÄÀÏ
(zzz.rawdata)¿¡ Ãâ·ÂÇÏÀÚ ¸¶ÀÚ ´Ù¸¥ ÇÁ·Î±×·¥À» ±âµ¿ÇØ
±× ÆÄÀÏÀ» ó¸®ÇÏ´Â ÆíÀÌ ÁÁÀº °æ¿ì°¡ ÀÖ½À´Ï´Ù.
»ó±âÀÇ ½ºÅ©¸³Æ®¿¡¼­´Â, zzz.rawdata °¡ »ý¼ºµÇ¾ú´ÂÁö ¾î¶°Çß´ÂÁö¸¦
5 ºÐ °£°ÝÀ¸·Î È®ÀÎÇØ, »ý¼ºÀÌ È®ÀεǸé(ÀÚ) 70 ÃÊ ±â´Ù·Á awk ÀÛ¾÷À»
½ÇÇàÇÑ´Ù, ¶ó°í ÇÏ´Â Á¶ÀÛÀ» ¹Ýº¹ÇÕ´Ï´Ù.
.Sh °ü·Ã Ç׸ñ
.Xr nanosleep 2 ,
.Xr sleep 3
.Sh Ç¥ÁØ
.Nm
¸í·ÉÀº, ¾Æ¸¶
.St -p1003.2
ȣȯÀÔ´Ï´Ù.