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date
Section: User Commands (1)Updated: 18 August 1999
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date - ¥·¥¹¥Æ¥à¤ÎÆüÉդȻþ¹ï¤òɽ¼¨¡¦ÀßÄꤹ¤ë½ñ¼°
date [-uR] [-d datestr] [-f datefile] [-r file] [-s datestr] [-I [timespec]] [--date=datestr] [--file=datefile] [--iso-8601[=timespec]] [--reference=file] [--set=datestr] [--rfc-822] [--universal] [--utc] [+format] [MMDDhhmm[[CC]YY][.ss]]ÀâÌÀ
date ¤Ï°ú¿ô¤ò»ØÄꤷ¤Ê¤¤¤È¡¢¸½ºß¤Î»þ¹ï¤ÈÆüÉÕ¤òɽ¼¨¤¹¤ë (ɽ¼¨·Á¼°¤Ï `%a %b %e %H:%M:%S %Z %Y' ¤È¤Ê¤ë¡£°Ê²¼¤ò»²¾È¤Î¤³¤È)¡£°ú¿ô¤¬»ØÄꤵ¤ì¡¢¤«¤Ä¤½¤ÎÀèƬ¤¬ `+' ¤Ç»Ï¤Þ¤Ã¤Æ¤ª¤é¤º¡¢ ¤«¤Ä¼Â¹Ô¼Ô¤¬Å¬Àڤʸ¢¸Â¤ò»ý¤Ã¤Æ¤¤¤ì¤Ð¡¢ date ¤Ï¥·¥¹¥Æ¥à¤Î»þ·×¤ò°ú¿ô¤Ç»ØÄꤵ¤ì¤¿»þ¹ï¡¦ÆüÉÕ¤ËÀßÄꤹ¤ë¡£ --date ¤ª¤è¤Ó --set ¤Î¥×¥·¥ç¥ó¤Ï¡¢¤³¤Î¤è¤¦¤Ê°ú¿ô¤È°ì½ï¤ËÍѤ¤¤ë¤³¤È¤Ï¤Ç¤¤Ê¤¤¡£ --universal ¥ª¥×¥·¥ç¥ó¤ò¤³¤Î¤è¤¦¤Ê°ú¿ô¤È¤È¤â¤ËÍѤ¤¤ë¤È¡¢ »ØÄꤷ¤¿»þ¹ï¡¦ÆüÉÕ¤¬ (ÃÏÊý»þ¤Ç¤Ï¤Ê¤¯) ¶¨ÄêÀ¤³¦»þ¤Î¤â¤Î¤Ë¤Ê¤ë¡£ °ú¿ô¤Ë¤Ï¿ô»ú¤À¤±¤òÍѤ¤¤ë¤³¤È¤¬¤Ç¤¡¢¤½¤ì¤¾¤ì°Ê²¼¤Î°ÕÌ£¤ò»ý¤Ä:
- MM
- ·î
- DD
- Æü (·îÆâÄÌ»»)
- hh
- »þ
- mm
- ʬ
- CC
- ǯ¤ÎºÇ½é¤Î 2 ·å (¾Êά²Ä)
- YY
- ǯ¤ÎºÇ¸å¤Î 2 ·å (¾Êά²Ä)
- ss
- Éà (¾Êά²Ä)
»ØÄꤵ¤ì¤¿°ú¿ô¤¬ `+' ¤Ç»Ï¤Þ¤ë¾ì¹ç¤Ë¤Ï¡¢ date ¤Ï¸½ºß¤Î»þ¹ï¤ÈÆüÉÕ¤òɽ¼¨¤¹¤ë (¤¢¤ë¤¤¤Ï --date ¥ª¥×¥·¥ç¥ó¤Ç»ØÄꤵ¤ì¤¿»þ¹ï¤ÈÆüÉÕ¤ò»ØÄꤹ¤ë)¡£ ɽ¼¨·Á¼°¤Ï¤³¤Î°ú¿ô¤Ë¤è¤Ã¤ÆÀ©¸æ¤µ¤ì¡¢ °ú¿ô¤Î½ñ¼°¤Ï strftime(3) ´Ø¿ô¤Ë¤ï¤¿¤¹Ê¸»úÎó¤Î½ñ¼°¤ÈƱ¤¸¤Ç¤¢¤ë¡£ `%' ¤Ç»Ï¤Þ¤ë¥Õ¥£¡¼¥ë¥É¤ò½ü¤¡¢ format ʸ»úÎóÃæ¤Îʸ»ú¤Ï¤½¤Î¤Þ¤ÞÊѹ¹¤µ¤ì¤º¤Ëɽ¼¨¤µ¤ì¤ë¡£
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- %H
- »þ (00..23)
- %I
- »þ (01..12)
- %k
- »þ (0..23)
- %l
- »þ (1..12)
- %M
- ʬ (00..59)
- %p
- AM ¤¢¤ë¤¤¤Ï PM ¤Î¥í¥±¡¼¥ë
- %r
- »þ¹ï¡¢12 »þ´Ö (hh:mm:ss [AP]M)
- %s
- 1970-01-01 00:00:00 UTC ¤«¤é¤ÎÉÿô (ɸ½à³°¤Î³ÈÄ¥)
- %S
- ÉÃ (00..61)
- %T
- »þ¹ï¡¢24 »þ´Ö (hh:mm:ss)
- %X
- ¥í¥±¡¼¥ë¤Ë¤è¤ë»þ¹ï¤Îɽ¸½ (%H:%M:%S)
- %Z
- ¥¿¥¤¥à¥¾¡¼¥ó (Îã EDT)¡¢ ¤¢¤ë¤¤¤Ï¥¿¥¤¥à¥¾¡¼¥ó¤¬·èÄê¤Ç¤¤Ê¤¤¤Ê¤é¤Ð̵¤·
ÆüÉÕ¥Õ¥£¡¼¥ë¥É
- %a
- ¥í¥±¡¼¥ë¤Î¾Êά·Á¤ÎÍËÆü̾ (Sun..Sat)
- %A
- ¥í¥±¡¼¥ë¤Î´°Á´É½µ¤ÎÍËÆü̾¡¢²ÄÊÑĹ (Sunday..Saturday)
- %b
- ¥í¥±¡¼¥ë¤Î¾Êά·Á¤Î·î̾ (Jan..Dec)
- %B
- ¥í¥±¡¼¥ë¤Î´°Á´É½µ¤Î·î̾¡¢²ÄÊÑĹ (January..December)
- %c
- ¥í¥±¡¼¥ë¤ÎÆüÉդȻþ¹ï (Sat Nov 04 12:02:33 EST 1989)
- %d
- ·îÆâÄÌ»»Æü¿ô (01..31)
- %D
- ÆüÉÕ (mm/dd/yy)
- %h
- %b ¤ÈƱ¤¸
- %j
- ǯÆâÄÌ»»Æü¿ô (001..366)
- %m
- ·î (01..12)
- %U
- ÆüÍËÆü¤ò½µ¤ÎºÇ½é¤ÎÆü¤È¤·¤¿Ç¯ÆâÄÌ»»½µ (00..53)
- %w
- ½µ¤Î¤¦¤Á¤ÎÍËÆü (0..6) (0 ¤¬ÆüÍËÆü)
- %W
- ·îÍËÆü¤ò½µ¤ÎºÇ½é¤ÎÆü¤È¤·¤¿Ç¯ÆâÄÌ»»½µ (00..53)
- %x
- ¥í¥±¡¼¥ë¤ÎÆüÉÕɽ¸½ (mm/dd/yy)
- %y
- ǯ¤ÎºÇ¸å¤ÎÆó¤Ä¤Î¿ô»ú (00..99)
- %Y
- ǯ (1970...)
ʸ»ú¥Õ¥£¡¼¥ë¥É
- %%
- ʸ»ú %
- %n
- ²þ¹Ô
- %t
- ¿åÊ¿¥¿¥Ö
ʸ»úËä¤á (padding)
¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢ date ¤Ï¿ôÃͤΥե£¡¼¥ë¥É¤ò 0 ¤ÇËä¤á¤ë¡£¤·¤¿¤¬¤Ã¤Æ¡¢Î㤨¤Ð ¿ôÃÍɽ¼¨¤Î·î¤Ï¾ï¤Ë 2 ·å¤Ç½ÐÎϤµ¤ì¤ë¡£ GNU ¤Ï date ¤Îµ¡Ç½¤ò³ÈÄ¥¤·¤Æ¤ª¤ê¡¢°Ê²¼¤ÎÈóɸ½à¤Î¿ôÃͽ¤Àµ»Ò¤ò `%' ¤È ¥Õ¥£¡¼¥ë¥É¤Î´Ö¤ËÃÖ¤¯¤³¤È¤¬¤Ç¤¤ë:- -
- (¥Ï¥¤¥Õ¥ó) ¥Õ¥£¡¼¥ë¥É¤òËä¤á¤Ê¤¤¡£ ½ÐÎϤ¬¿Í¤ËÆɤޤì¤ë¾ì¹ç¤Ë¤ÏÊØÍø¤Ç¤¢¤ë¡£
- _
- (¥¢¥ó¥À¡¼¥¹¥³¥¢) ¥Õ¥£¡¼¥ë¥É¤ò¥¹¥Ú¡¼¥¹¤ÇËä¤á¤ë¡£ ½ÐÎϤ˷è¤Þ¤Ã¤¿¿ô¤Îʸ»ú¤¬É¬ÍפÀ¤¬¡¢0 ¤ò»È¤¤¤¿¤¯¤Ê¤¤¾ì¹ç¤ËÊØÍø¤Ç¤¢¤ë¡£
¥ª¥×¥·¥ç¥ó
- -d datestr, --date datestr
- ¸½ºß¤Î»þ¹ï¡¦ÆüÉÕ¤ÎÂå¤ï¤ê¤Ë¡¢ datestr ¤Ç»ØÄꤵ¤ì¤¿»þ¹ï¡¦ÆüÉÕ¤òɽ¼¨¤¹¤ë¡£ datestr ¤ÏÉáÄ̤Υե©¡¼¥Þ¥Ã¥È¤Ê¤é¤À¤¤¤¿¤¤¤Ê¤ó¤Ç¤â»È¤¦¤³¤È¤¬¤Ç¤¤ë¡£ ·î̾¡¢¥¿¥¤¥à¥¾¡¼¥ó¡¢ `am' ¤ä `pm' ¤Ê¤É¤âÍѤ¤¤Æ¤è¤¤¡£
- -f datefile, --file=datefile
- -d ¤È¤È¤â¤Ë»ØÄꤵ¤ì¤¿ datefile ¤ò°ì¹Ô¤º¤Ä¥Ñ¡¼¥¹¤·¤Æ¡¢·ë²Ì¤Î»þ¹ï¤ÈÆüÉÕ¤òɽ¼¨¤¹¤ë¡£ datefile ¤¬ `-' ¤Î¾ì¹ç¤Ïɸ½àÆþÎϤ¬ÍѤ¤¤é¤ì¤ë¡£ ¤³¤ì¤Ï¡¢¤¿¤¯¤µ¤ó¤ÎÆüÉÕ¤ò½èÍý¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¾ì¹ç¤ËÊØÍø¤Ç¤¢¤ë¡£ date ¤Î¼Â¹Ô¥Õ¥¡¥¤¥ë¤ò²¿²ó¤âµ¯Æ°¤¹¤ë¥ª¡¼¥Ð¡¼¥Ø¥Ã¥É¤Ï̵»ë¤Ç¤¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£
- -r file, --reference=file
- ɽ¼¨¤¹¤ë»þ¹ï¤ÈÆüÉÕ¤ò file ¤ÎºÇ½ª½¤Àµ»þ¹ï¤Ë¤¹¤ë¡£
- -s datestr, --set datestr
- »þ¹ï¤ÈÆüÉÕ¤ò datestr ¤ËÀßÄꤹ¤ë¡£¾å½Ò¤Î -d ¤ò¸«¤è¡£À®¸ù¤¹¤ë¤È 0 ¤òÊÖ¤·¡¢¼ºÇÔ¤¹¤ë¤È 0 °Ê³°¤òÊÖ¤¹¡£
- -u, --universal, --utc
- »þ¹ï¤ÈÆüÉÕ¤òÃÏÊý»þ (ÊÉ»þ·×¤Î»þ¹ï) ¤Ç¤Ï¤Ê¤¯¶¨ÄêÀ¤³¦»þ (¥°¥ê¥Ë¥Ã¥¸Ê¿¶Ñ»þ) ¤Ë¤è¤Ã¤Æɽ¼¨¡¦ÀßÄꤹ¤ë¡£
- -I [timespec], --iso-8601[=timespec]
-
ÆüÉÕ¤ò ISO 8601 ¤Ç»ØÄꤵ¤ì¤Æ¤¤¤ë½ñ¼° `%Y-%m-%d' ¤Ç¡¢
»þ¹ï¤ò
timespec
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auto)¡£
»þ¹ïÉôʬ¤Îɽ¼¨¤Ë¤Ï `T' ¤¬Á°ÃÖ¤µ¤ì¡¢`%z'
(--utc
¤¬»ØÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ë¤Ï `%Z') ¤¬¸åÃÖ¤µ¤ì¤ë¡£
-
- auto
- »þ¹ï¤òɽ¼¨¤·¤Ê¤¤¡£
- hours
- ¤½¤ÎÆü¤Î»þ¹ï¤òɽ¼¨¤¹¤ë¡£
- minutes
- »þ¡¦Ê¬¤òɽ¼¨¤¹¤ë¡£
- seconds
- »þ¡¦Ê¬¡¦Éäòɽ¼¨¤¹¤ë¡£
-
- -R, --rfc-822
- »þ¹ï¤ÈÆüÉÕ¤ò RFC-822 ¤Ç»ØÄꤵ¤ì¤¿½ñ¼°¤Ç¤¢¤ë `%a, %_d %b %Y %H:%M:%S %z' ¤Çɽ¼¨¤¹¤ë¡£ --utc ¤¬Æ±»þ¤Ë»ØÄꤵ¤ì¤ë¤È¡¢ `%z' ¤ÎÂå¤ï¤ê¤Ë `GMT' ¤òÍѤ¤¤ë¡£
- --help
- ɸ½à½ÐÎϤ˻ÈÍÑÊýË¡¤Î¥á¥Ã¥»¡¼¥¸¤ò½ÐÎϤ·¤ÆÀµ¾ï½ªÎ»¤¹¤ë¡£
- --version
- ɸ½à½ÐÎϤ˥С¼¥¸¥ç¥ó¾ðÊó¤ò½ÐÎϤ·¤ÆÀµ¾ï½ªÎ»¤¹¤ë¡£
Îã
°ìºòÆü¤ÎÆüÉÕ¤òɽ¼¨¤¹¤ë¤Ë¤Ï:
- date --date '2 days ago'
3 ¥ö·î¤È 1 Æü¸å¤ÎÆüÉÕ¤òɽ¼¨¤¹¤ë¤Ë¤Ï:
- date --date '3 months 1 day'
º£Ç¯¤Î¥¯¥ê¥¹¥Þ¥¹¤¬Ç¯¤Î½é¤á¤«¤é²¿ÆüÌܤ«¤òɽ¼¨¤¹¤ë¤Ë¤Ï:
- date --date '25 Dec' +%j
´°Á´¤Ê·î̾¤ÈÆüÉÕ¤«¤é¤Ê¤ë½ñ¼°¤Çº£Æü¤òɽ¼¨¤¹¤ë¤Ë¤Ï:
- date '+%B %d'
¤·¤«¤·¤³¤Î·ë²Ì¤Ï¤ªË¾¤ß¤Î¤â¤Î¤Ç¤Ï¤Ê¤¤¤«¤â¤·¤ì¤Ê¤¤¡£ ¤Ê¤¼¤Ê¤é·î¤ÎºÇ½é¤Î 9 Æü¤òɽ¼¨¤µ¤»¤ë¤È¤¡¢ `%d' ¤Ï 2 ·å¤Î¥Õ¥£¡¼¥ë¥É¤Î ºÇ½é¤ò 0 ¤ÇËä¤á¤ë¤«¤é¤Ç¤¢¤ë¡£Î㤨¤Ð `date -d 1-may '+%B %d'' ¤Î·ë²Ì¤Ï `May 01' ¤È¤Ê¤ë¡£
Ʊ¤¸Æü¤ò¡¢1 ·å¤ÎÆüÉÕ¤ÎÁ°¤Ë 0 ¤òÃÖ¤«¤Ê¤¤¤è¤¦¤Ëɽ¼¨¤¹¤ë¤Ë¤Ï¡¢ ɸ½à¤Ë¤Ï¤Ê¤¤ `-' ½¤Àµ»Ò¤òÍѤ¤¤Æ 0 Ëä¤á¤ò¹Ô¤ï¤Ê¤¤¤è¤¦¤Ë¤¹¤ì¤Ð¤è¤¤¡£
- date -d 1-may '+%B %-d'
Ãí°Õ
¥×¥í¥°¥é¥à¤Î¥Ð¥°¤Ë¤Ä¤¤¤Æ¤Ï bug-sh-utils@gnu.org ¤ËÊó¹ð¤·¤Æ¤¯¤À¤µ¤¤¡£ ¥Ú¡¼¥¸¤Î¹¹¿·¤Ï Ragnar Hojland Espinosa <ragnar@macula.net> ¤¬¹Ô¤Ã¤Æ¤¤¤Þ¤¹¡£