You don't say how you source the variable, however you can try;
The information is in the man pages, use man date and you should find what you want.
Regards
Gull04
The format requested if the user is trying to format the current date and time is:
(note the leading + required to specify that a format string follows, %Y instead of %y (complete year, not just the last two digits) and %Z (include the timezone name).
If the intent is to take an existing date and time in the first given format and convert it to the corresponding second given format, there is no way to guess at what year should be used for an arbitrary date and time from some point in the past.
I know the command date +"%Y%m%d" can change today's date to digit format as below .
$date +"%Y%m%d"
20071217
it works fine .
now I want to do it back . If I have a file like below, (in the file , there are three lines, and each line have ; sign , after the ; sign is the date ) , I... (4 Replies)
Hi All,
this is my second post, last post reply was very helpful.
I have a data that has date in DD/MM/YYYY (07/11/2008) format i want to replace the backslash by a dot(.) so that my awk script can read it inside the C shell script that i have written.
i want to change 07/11/2008 to... (3 Replies)
dear members,
ls -l
drwxr-xr-x 40 root sys 1024 Jul 11 22:19 usr
drwxr-xr-x 43 root sys 1024 Feb 1 2009 var
i am using solaris 10
is that possibe to do
drwxr-xr-x 40 root sys 1024 25-08-2009 22:19 usr
drwxr-xr-x 43 root sys ... (4 Replies)
Hi Guys,
I had a scenario like this..
It seems very silly...dont think it as a home work question.....:)
i tried it many ways but i didn't achieve this...
start_date=May122011
here i want to change the start_date in to 20110512
start_date=20110512
tell me how can we achive... (5 Replies)
Hi Guys,
Can someone help me on how to change the date format using sed or any unix command to give my desired output as shown below.
INPUT FILE:
69372,200,20100122T17:56:02,2
53329,500,20100121T11:50:07,2
48865,100,20100114T16:08:16,2
11719,200,20100108T13:32:20,2
DESIRED... (2 Replies)
Dear Friends,
Need your help once again,
I have a variable ( e.g. ${i}) whoch has date in MM/DD/YYYY (E.g. 12/31/2011) format.
I want to change it to DD/MM/YYYY (e.g. 31/12/2011) format.
Request you to guide me as we are unable to do the same.
Thanks in advance
Anu. (1 Reply)
Hi all,
I have a file that every line starts with the date and time. The format is like YYYYMMDDHHMM and I woulk like to change it to MM/DD/YY<space>HH:MM.
I tried to figure out a way to do it with sed, but I don't know how I could reorganize the digits of the first format. Does anyone have any... (1 Reply)
Hi,
I was looking for a script to change the date from one format to other. A search in the forum gave me the below script as a result.
#! /bin/ksh
format=YYYYMMDD
YEAR=${format%????}
DAY=${format#??????}
MON=${format#$YEAR}
MON=${MON%$DAY}
echo $MON/$DAY/$YEAR
I got it... (2 Replies)
Hi
I wish to change date from one format to another in unix.
eg: INPUT DATE: 2013159 (YEAR & NUMBER OF DAY)
OUTPUT DATE required: 20130608 (YYYYMMDD)
how to do it ?
Thanks in advance. (6 Replies)
Discussion started by: dashing201
6 Replies
LEARN ABOUT NETBSD
date
DATE(1) BSD General Commands Manual DATE(1)NAME
date -- display or set date and time
SYNOPSIS
date [-ajnu] [-d date] [-r seconds] [+format] [[[[[[CC]yy]mm]dd]HH]MM[.SS]]
DESCRIPTION
date displays the current date and time when invoked without arguments. Providing arguments will format the date and time in a user-defined
way or set the date. Only the superuser may set the date.
The options are as follows:
-a Use adjtime(2) to change the local system time slowly, maintaining it as a monotonically increasing function. -a implies -n.
-d date
Parse the provided human-described date and time and display the result without actually changing the system clock. (See
parsedate(3) for examples.)
-j Parse the provided canonical representation of date and time (described below) and display the result without actually changing the
system clock.
-n The utility timed(8) is used to synchronize the clocks on groups of machines. By default, if timed is running, date will set the
time on all of the machines in the local group. The -n option stops date from setting the time for other than the current machine.
-r seconds
Print out the date and time that is seconds from the Epoch.
-u Display or set the date in UTC (universal) time.
An operand with a leading plus (+) sign signals a user-defined format string which specifies the format in which to display the date and
time. The format string may contain any of the conversion specifications described in the strftime(3) manual page, as well as any arbitrary
text. A <newline> character is always output after the characters specified by the format string. The format string for the default display
is:
%a %b %e %H:%M:%S %Z %Y
If an operand does not have a leading plus sign, it is interpreted as a value for setting the system's notion of the current date and time.
The canonical representation for setting the date and time is:
CC The first two digits of the year (the century).
yy The second two digits of the year. If yy is specified, but CC is not, a value for yy between 69 and 99 results in a CC value
of 19. Otherwise, a CC value of 20 is used.
mm The month of the year, from 01 to 12.
dd The day of the month, from 01 to 31.
HH The hour of the day, from 00 to 23.
MM The minute of the hour, from 00 to 59.
SS The second of the minute, from 00 to 61.
Everything but the minutes is optional.
Time changes for Daylight Saving and Standard time and leap seconds and years are handled automatically.
ENVIRONMENT
The following environment variables affect the execution of date:
TZ The timezone to use when displaying dates. See environ(7) for more information.
FILES
/etc/localtime Symlink pointing to system's default timezone information file in /usr/share/zoneinfo directory.
/var/log/wtmp A record of date resets and time changes.
/var/log/messages A record of the user setting the time.
EXAMPLES
The command:
date '+DATE: %m/%d/%y%nTIME: %H:%M:%S'
will display:
DATE: 11/21/87
TIME: 13:36:16
The command:
date 8506131627
sets the date to ``June 13, 1985, 4:27 PM''.
The command:
date 1432
sets the time to 2:32 PM, without modifying the date.
DIAGNOSTICS
Exit status is 0 on success, 1 if unable to set the date, and 2 if able to set the local date, but unable to set it globally.
Occasionally, when timed(8) synchronizes the time on many hosts, the setting of a new time value may require more than a few seconds. On
these occasions, date prints: 'Network time being set'. The message 'Communication error with timed' occurs when the communication between
date and timed fails.
SEE ALSO adjtime(2), gettimeofday(2), settimeofday(2), parsedate(3), strftime(3), utmp(5), timed(8)
R. Gusella and S. Zatti, TSP: The Time Synchronization Protocol for UNIX 4.3BSD.
STANDARDS
The date utility is expected to be compatible with IEEE Std 1003.2 (``POSIX.2'').
BSD November 15, 2006 BSD