GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
CentOS 2.1AS(Slurm) |
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date(1) |
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date − print or set the system date and time
date
[OPTION]... [+FORMAT]
date [-u|--utc|--universal]
[MMDDhhmm[[CC]YY][.ss]]
Display the
current time in the given FORMAT, or set the system date.
−d, −−date=STRING
display time described by STRING, not ’now’
−f, −−file=DATEFILE
like −−date once for each line of DATEFILE
−I,
−−iso−8601[=TIMESPEC] output
an ISO-8601 compliant date/time
string.
TIMESPEC=’date’ (or missing) for date only, ’hours’, ’minutes’, or ’seconds’ for date and time to the indicated precision.
−r, −−reference=FILE
display the last modification time of FILE
−R, −−rfc−822
output RFC-822 compliant date string
−s, −−set=STRING
set time described by STRING
−u, −−utc, −−universal
print or set Coordinated Universal Time
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−−help |
display this help and exit |
−−version
output version information and exit
FORMAT controls the output. The only valid option for the second form specifies Coordinated Universal Time. Interpreted sequences are:
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%% |
a literal % | ||
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%a |
locale’s abbreviated weekday name (Sun..Sat) | ||
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%A |
locale’s full weekday name, variable length (Sunday..Saturday) | ||
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%b |
locale’s abbreviated month name (Jan..Dec) | ||
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%B |
locale’s full month name, variable length (January..December) | ||
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%c |
locale’s date and time (Sat Nov 04 12:02:33 EST 1989) | ||
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%d |
day of month (01..31) | ||
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%D |
date (mm/dd/yy) | ||
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%e |
day of month, blank padded ( 1..31) | ||
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%h |
same as %b | ||
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%H |
hour (00..23) | ||
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%I |
hour (01..12) | ||
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%j |
day of year (001..366) | ||
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%k |
hour ( 0..23) | ||
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%l |
hour ( 1..12) | ||
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%m |
month (01..12) | ||
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%M |
minute (00..59) | ||
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%n |
a newline | ||
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%p |
locale’s AM or PM | ||
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%r |
time, 12-hour (hh:mm:ss [AP]M) | ||
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%s |
seconds since ’00:00:00 1970-01-01 UTC’ (a GNU extension) | ||
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%S |
second (00..60) | ||
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%t |
a horizontal tab | ||
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%T |
time, 24-hour (hh:mm:ss) | ||
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%U |
week number of year with Sunday as first day of week (00..53) | ||
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%V |
week number of year with Monday as first day of week (01..53) | ||
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%w |
day of week (0..6); 0 represents Sunday | ||
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%W |
week number of year with Monday as first day of week (00..53) | ||
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%x |
locale’s date representation (mm/dd/yy) | ||
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%X |
locale’s time representation (%H:%M:%S) | ||
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%y |
last two digits of year (00..99) | ||
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%Y |
year (1970...) | ||
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%z |
RFC-822 style numeric timezone (-0500) (a nonstandard extension) | ||
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%Z |
time zone (e.g., EDT), or nothing if no time zone is determinable |
By default, date pads numeric fields with zeroes. GNU date recognizes the following modifiers between ’%’ and a numeric directive.
’-’ (hyphen) do not pad the field ’_’ (underscore) pad the field with spaces
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TZ |
Specifies the timezone, unless overridden by command line parameters. If neither is specified, the setting from /etc/localtime is used. |
Written by David MacKenzie.
Report bugs to <bug-sh-utils@gnu.org>.
Copyright
© 2000 Free Software Foundation, Inc.
This is free software; see the source for copying
conditions. There is NO warranty; not even for
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
The full documentation for date is maintained as a Texinfo manual. If the info and date programs are properly installed at your site, the command
info date
should give you access to the complete manual.
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date(1) | |