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[linuxjm/jm.git] / manual / procps / draft / man1 / watch.1

.\"
.\" Japanese Version Copyright (c) 2000 NAKANO Takeo all rights reserved.
.\" Translated Tue Nov 14 2000 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Fri Jul 15 02:40:41 JST 2005
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH WATCH 1 "1999 Apr 3" " " "Linux User's Manual"
.\"O .SH NAME
.\"O watch \- execute a program periodically, showing output fullscreen
.SH ̾Á°
watch \- ¥×¥í¥°¥é¥à¤òÄê´üŪ¤Ë¼Â¹Ô¤·¡¢½ÐÎϤò¥Õ¥ë¥¹¥¯¥ê¡¼¥ó¤Çɽ¼¨¤¹¤ë
.\"O .SH SYNOPSIS
.SH ½ñ¼°
.B watch
.I [\-dhvt] [\-n <seconds>] [\-\-differences[=cumulative]] [\-\-help] [\-\-interval=<seconds>] [\-\-no\-title] [\-\-version] <command>
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O .BR watch
.\"O runs
.\"O .I command
.\"O repeatedly, displaying its output (the first screenfull).  This allows you to
.\"O watch the program output change over time.  By default, the program is run
.\"O every 2 seconds; use 
.\"O .I -n
.\"O or
.\"O .I --interval
.\"O to specify a different interval.
.B watch
¤Ï
.I command
¤ò·«¤êÊÖ¤·¼Â¹Ô¤·¡¢¤½¤Î½ÐÎϤòɽ¼¨¤¹¤ë (°ì²èÌ̤˼ý¤Þ¤ë°ìÇÕ¤Þ¤Ç)¡£
.B watch
¤òÍѤ¤¤ë¤È¡¢¥×¥í¥°¥é¥à¤Î½ÐÎϤηлþÊѲ½¤ò´Æ»ë¤Ç¤­¤ë¡£
¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¥×¥í¥°¥é¥à¤Ï 2 É䪤­¤Ëµ¯Æ°¤µ¤ì¤ë¡£
»þ´Ö¤Î´Ö³Ö¤òÊѤ¨¤¿¤¤¾ì¹ç¤Ï¡¢
.IR -n " ¤Þ¤¿¤Ï " --interval
¤òÍѤ¤¤ë¡£
.PP
.\"O The
.\"O .I -d
.\"O or
.\"O .I --differences
.\"O flag will highlight the differences between successive updates.  The 
.\"O .I --cumulative
.\"O option makes highlighting "sticky", presenting a running display of all
.\"O positions that have ever changed.  The
.IR -d " ¤Þ¤¿¤Ï " --differnces
¥Õ¥é¥°¤ò»ØÄꤹ¤ë¤È¡¢¹¹¿·¤¬¹Ô¤ï¤ì¤¿¤È¤­¡¢
Á°²ó¤È°Û¤Ê¤Ã¤Æ¤¤¤ëÉôʬ¤ò¥Ï¥¤¥é¥¤¥Èɽ¼¨¤¹¤ë¡£
.I cumulative
¥ª¥×¥·¥ç¥ó¤ò¤Ä¤±¤ë¤È¡¢¥Ï¥¤¥é¥¤¥È¤¬ "sticky" ¤Ë¤Ê¤ë¡£
¤¹¤Ê¤ï¤Á¡¢
¼Â¹Ô¤¬³«»Ï¤µ¤ì¤Æ¤«¤éÊѹ¹¤¬¤¢¤Ã¤¿Á´¤Æ¤ÎÉôʬ¤ò¥Ï¥¤¥é¥¤¥È¤Çɽ¼¨¤¹¤ë¡£
.\"O .I -t
.\"O or
.\"O .I --no-title
.\"O option turns off the header showing the interval, command, and current
.\"O time at the top of the display, as well as the following blank line.
.IR -t " ¤Þ¤¿¤Ï " --no-title
¥ª¥×¥·¥ç¥ó¤ò»ØÄꤹ¤ë¤È¡¢²èÌ̤ÎÀèƬ¹Ô¤Ë
»þ´Ö´Ö³Ö¡¦¥³¥Þ¥ó¥É̾¡¦¸½ºß»þ¹ï¤ò¼¨¤¹¥Ø¥Ã¥À¤¬É½¼¨¤µ¤ì¤º¡¢
¤½¤Î¸å¤Î¶õ¹Ô¤âɽ¼¨¤µ¤ì¤Ê¤¤¡£
.PP
.\"O .BR watch
.\"O will run until interrupted.
.B watch
¤ÏÃæÃǤµ¤ì¤ë¤Þ¤Ç¼Â¹Ô¤ò³¤±¤ë¡£
.\"O .SH NOTE
.SH Ãí°Õ
.\"O Note that
.\"O .I command
.\"O is given to "sh -c"
.\"O which means that you may need to use extra quoting to get the desired effect.
.I command
¤Ï "sh -c" ¤ËÍ¿¤¨¤é¤ì¤ë¡£¤·¤¿¤¬¤Ã¤Æ
.I command
¤ò˾¤ß¤ÎÄ̤ê¤ËÆ°ºî¤µ¤»¤ë¤Ë¤Ï¡¢¥¯¥©¡¼¥È¤ò;ʬ¤ËÍѤ¤¤ëɬÍפ¬¤¢¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
.PP
.\"O Note that POSIX option processing is used (i.e., option processing stops at
.\"O the first non-option argument).  This means that flags after
.\"O .I command
.\"O don't get interpreted by
.\"O .BR watch
.\"O itself.
POSIX ¤Î¥ª¥×¥·¥ç¥ó½èÍý¤¬ÍѤ¤¤é¤ì¤ë
(¤Ä¤Þ¤ê¡¢¥ª¥×¥·¥ç¥ó½èÍý¤ÏºÇ½é¤Ë¥ª¥×¥·¥ç¥ó°Ê³°¤Î°ú¿ô¤¬¸½¤ì¤¿»þÅÀ¤Ç½ªÎ»¤¹¤ë)
¤³¤È¤ËÃí°Õ¤·¤ÆÍߤ·¤¤¡£
¤Ä¤Þ¤ê¡¢
.I command
°Ê¹ß¤Î¥Õ¥é¥°¤Ï
.B watch
¤Ë¤è¤Ã¤Æ¤Ï²ò¼á¤µ¤ì¤Ê¤¤¡£
.\"O .SH EXAMPLES
.SH Îã
.PP
.\"O To watch for mail, you might do
¥á¡¼¥ë¤ò´Æ»ë¤¹¤ë:
.IP
watch \-n 60 from
.PP
.\"O To watch the contents of a directory change, you could use
¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¿È¤ÎÊѲ½¤ò´Æ»ë¤¹¤ë:
.IP
watch \-d ls \-l
.PP
.\"O If you're only interested in files owned by user joe, you might use 
¥æ¡¼¥¶¡¼ joe ¤Î½êÍ­¤¹¤ë¥Õ¥¡¥¤¥ë¤Î¤ß¤ò´Æ»ë¤¹¤ë:
.IP
watch \-d 'ls \-l | fgrep joe'
.PP
.\"O To see the effects of quoting, try these out
¥¯¥©¡¼¥È¤Î¸ú²Ì¤ò¸«¤Æ¤ß¤¿¤¤¾ì¹ç:
.IP
watch echo $$
.IP
watch echo '$$'
.IP
watch echo "'"'$$'"'"
.PP
.\"O You can watch for your administrator to install the latest kernel with
´ÉÍý¼Ô¤Ë¤è¤ëºÇ¿·¤Î¥«¡¼¥Í¥ë¤Î¥¤¥ó¥¹¥È¡¼¥ë¾õ¶·¤ò´Æ»ë¤¹¤ë:
.IP
watch uname -r
.PP
.\"O (Just kidding.)
(¤¿¤À¤Î¾éÃ̤Ǥ¹)
.\"O .SH BUGS
.SH ¥Ð¥°
.\"O Upon terminal resize, the screen will not be correctly repainted until the
.\"O next scheduled update.  All
.\"O .I --differences
.\"O highlighting is lost on that update as well.
üËö¤Î¥ê¥µ¥¤¥º»þ¤Ë¡¢¥¹¥¯¥ê¡¼¥ó¤ÏÀµ¤·¤¯ºÆÉÁ²è¤µ¤ì¤Ê¤¤¡£
¼¡¤Î¹¹¿·¥¹¥±¥¸¥å¡¼¥ë¤òÂÔ¤¿¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
.I --differences
¤Ë¤è¤ë¥Ï¥¤¥é¥¤¥Èɽ¼¨¤Ï¡¢¤½¤Î¹¹¿·¤ÎºÝ¤ËÁ´¤Æ¼º¤ï¤ì¤ë¡£
.PP
.\"O Non-printing characters are stripped from program output.  Use "cat -v" as
.\"O part of the command pipeline if you want to see them.
Èó°õ»úʸ»ú¤Ï¥×¥í¥°¥é¥à½ÐÎϤ«¤é¼è¤ê½ü¤«¤ì¤ë¡£
¤³¤ì¤é¤ò¤ß¤¿¤¤¾ì¹ç¤Ï¡¢¥³¥Þ¥ó¥É¤Î¥Ñ¥¤¥×¥é¥¤¥ó¤Î¤É¤³¤«¤Ç
"cat -v" ¤òÍѤ¤¤ë¤³¤È¡£
.\"O .SH AUTHORS
.SH Ãø¼Ô
.\"O The original
.\"O .B watch
.\"O was written by Tony Rems <rembo@unisoft.com> in 1991, with mods and
.\"O corrections by Francois Pinard.  It was reworked and new features added by
.\"O Mike Coleman <mkc@acm.org> in 1999.
¤â¤È¤â¤È¤Î
.B watch
¤Ï Tony Rems <rembo@unisoft.com> ¤¬ 1991 ¤Ë½ñ¤¤¤¿¡£
Francois Pinard ¤¬½¤Àµ¡¦Êѹ¹¤ò¹Ô¤Ã¤¿¡£
Mike Coleman <mkc@acm.org> ¤¬ 1999 ¤Ë½ñ¤­Ä¾¤·¡¢
¿·¤·¤¤µ¡Ç½¤òÄɲä·¤¿¡£