Date is a command line utility for printing or setting the date and time.

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4
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2answers
47 views

date processes first parameter incorrectly if it is not 1

I am using date (GNU coreutils) 8.22 and having some trouble to calculate a date after a given one. Say I want to use 1st of February, for example: $ date -d'1 February' Sun Feb 1 00:00:00 CET 2015 ...
0
votes
3answers
51 views

In bash, how to call a variable and wrap quotes around its value as part of a command without causing the variable name to become a string literal?

So I want to add 10 seconds to a time. The command to do that came from here. To illustrate: STARTIME="$(date +"%T")" ENDTIME="$STARTIME today + 10 seconds" CALL="$(echo date -d $ENDTIME ...
0
votes
1answer
45 views

Unix date format validation script

I wrote this small unix shell script to validate the date format. My script should check whether the string is in YYYYMMDDHHMISS format . If it is not in this format , it should send an error message ...
11
votes
1answer
14k views

show the year while listing files in the current directory

I am working on a red hat server I want to list the files in a way where the year when each was file created would appear in the Date how is that possible ?
10
votes
3answers
503 views

How do I get the current time in a different time zone without changing system time?

I am trying to use 'date' to get the time in a different time zone, and failing. All the methods I've found on google involve changing the time zone on the system, but that is not what I want. Is ...
0
votes
1answer
38 views

Print a date with leading zeros

My requirement is to print date like this, 04.10.2015 I have tried, d=`date '+%d%m%y'` But the problem what was happening, it was printing those dates which are two digits (10 to 31). But 1 to 9 ...
1
vote
1answer
24 views

install date time picker on ubuntu server [closed]

I've recently created a kiosk which uses openbox and xorg in order to be able to show the browser. Is there also a way that I can run some command in the server and it will open a graphical date and ...
2
votes
3answers
30 views

Truncating the precision of a date

I'm working with a bash script which polls build progress from several different systems. If a build is complete, it stats a log file to find out the last time it was edited, then feeds that time into ...
9
votes
6answers
9k views

date, get current 15 minute interval

Is there any way I can get the current 15 minute interval using the date command or similar ? e.g. something like date %Y.%m.%d %H:%M will give me 2011.02.22 10:19 , I need something that yields ...
6
votes
1answer
75 views

How does the “1 month ago” option in date command work?

I'm not sure if this gets the past date within the current day or if it only takes 30 or 31 days to it. e.g. If the current date is March 28th, 1 month ago must be February 28th, but what happen ...
5
votes
5answers
6k views

Next day of the user entered date - date +1 day

I am new to scripting I needed a script in the AIX environment to get the next days date based on the date entered by the user of the script. After hard time browsing for this I got a piece of code ...
3
votes
6answers
21k views

Extract date from a variable in a different format

Let me explain you the problem $ date +%c -d "$d" Tue 31 Dec 2013 01:13:06 PM CET $ date +'Today is %F' -d "$d" Today is 2013-12-31 This solution corresponds to current date. But I have one ...
6
votes
5answers
41k views

Display time stamp in dd/mm/yyyy_hh:mm:ss:ms in Unix or Linux

I need help to display date and time in desired format in Unix/ Linux. My desired format is: dd/mm/yyyy hh:mm:ss:ms in Unix or Linux. I got close using the following command: echo $(date +%x_%r) ...
3
votes
9answers
3k views

How to generate a year-quarter date from the command line?

I'm interested in outputting a representation of the current year-quarter, as well as the year-quarter for the previous month. If today is 2012 January 1st, I'd like to get 2012q1 and 2011q4 as ...
0
votes
1answer
43 views

set my system date & time via terminal

I don't why a + sign appears in the my program: <ns1:ST>2015-05-23T18:00:00+04:00</ns1:ST> <ns1:ET>2015-05-23T18:15:00+04:00</ns1:ET> this is when I run the program in my ...
6
votes
1answer
75 views

Change a locale definition (as opposed to a locale setting)

Preliminary remark: This question is not about setting a locale by changing LC_ALL, LC_TIME, LANG, etc., it's rather about changing a locale definition, e.g. in /usr/share/i18n/locales/de_DE, or ...
3
votes
0answers
56 views

Best practice to customize date/time format system-wide?

I'd like to customize exclusively the date and time format for my system, while sticking to the rest of the locale as is. I know that environment variable LC_TIME will make it possible to customize ...
5
votes
5answers
22k views

How to append date to backup file

I need to make a backup of a file, and I would like to have a timestamp as part of the name to make it easier to differentiate. How would you inject the current date into a copy command? ...
3
votes
1answer
29 views

change time (date) in or from exif-data

On Change created date from exif data there are great scripts. But what if “Date and Time (original)” are bad in exif-data (because of wrong set time in camera). Is there a solution to change time for ...
3
votes
1answer
115 views

Copy a file and append a timestamp

I've got two issues with my script that copies files and adds a timestamp to the name. cp -ra /home/bpacheco/Test1 /home/bpacheco/Test2-$(date +"%m-%d-%y-%T") The above adds Test2 as the filename, ...
1
vote
1answer
35 views

Unzip all non-existing or older files from archive

The behaviour I'd like with unzip is to extract all files, overwriting any that are older than those in the archive, not touching any that are the same age or newer, and to never prompt. The options ...
2
votes
3answers
64 views

Reformat date string

I am trying to figure out how to reformat a file full of wrongly formatted dates. The source looks like this: {"_id":"","timestamp":"Mon Apr 20 08:30:55 +0000 2015"} {"_id":"","timestamp":"Mon Apr 20 ...
0
votes
1answer
50 views

Usage of '%' in the crontab [duplicate]

I am trying to add a cron job to perform an rsync from a remote server to a (Ubuntu12) local machine & create a log file. Below is the crontab-l 00 18 * * * rsync -a -v --delete -e ssh ...
1
vote
1answer
33 views

Using date -1day with wget

I want to use wget with a cron to pull a file everyday however I want it to pull the previous days file from the remote server and the file is controlled by date variables in the URL as such: ...
4
votes
2answers
65 views

Force time to stay put

The time on my Linux machine will not stay put. I need to test an issue with our server that only occurs on Saturdays. CentOS 6.5 64-bit I have NTPD off. (service ntpd stop and chkconfig ntpd off) ...
2
votes
2answers
100 views

date: bad conversion error on HP-UX but not on Linux

On Linux: $ touch 1 12 No problem,create 1 and 12. On SysV or HP-UX 11.31: $ touch 1 12 date: bad conversion I have tried with LANG=C, same error. Why?
4
votes
2answers
131 views

how to sort by the day of the week?

I have two files. file1: Dave 734.838.9800 Bob 313.123.4567 Carol 248.344.5576 Mary 313.449.1390 Ted 248.496.2204 Alice 616.556.4458 file2: Bob Tuesday Carol Monday Ted Sunday ...
0
votes
1answer
20 views

How to print a concatenated ate and time in seconds

How can I print the following date 20150405 12:35:12 in seconds cur_date=20150405 cur_time=12:35:12 cur_datetime=20150405 12:35:12 this is what I am doing: cur_datetime=$cur_date' ...
6
votes
2answers
1k views

Using environment variables in Tmux status bar shell commands

I am attempting to create a tmux status bar which shows three timezones: US Eastern Time :: UTC :: Central European Time. Using the TZ environment variable makes the date command show the time in a ...
0
votes
2answers
47 views

Change only the year on the output of the “date”-command

date for example displays Fri Apr 17 20:16:01 IST 2015 Now I want to change only the year so date should display Fri Apr 17 20:16:01 IST 2016 in this example. How to add 1 year to the output of date ...
27
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6answers
20k views

How can I have `date` output the time from a different timezone?

I have a server running with the timezone set to UTC. It seemed like that was generally a good practice (please correct me if I'm wrong). Anyhow, one of the servers I connect to, in order to scp ...
18
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3answers
2k views

How does touch -t work internally?

How does touch -t command works exactly, internally (I tried to find its source code but couldn't)?
0
votes
1answer
59 views

How to accumulate data for the previous x number of days

Q: For the argument of the question, say today is 26/03/15. How can I 'accumulate' data for the last 5 days. But these dates are just an example. Ideally I would like to be able to accumulate data ...
1
vote
1answer
67 views

shell script for date checking between two days

There is date in my file, like 30-apr-2015. How can I compare this with the current date and get notified if they are equal?
1
vote
1answer
46 views

Figuring out the dates for a given week

With date -d @[some_timestamp] +"%U" the end result is a number between 0-53, which represents the week in which the [some_timestamp] is located. So if I have an arbitrary timestamp ie 1426815663, the ...
0
votes
0answers
23 views

date advancing quickly ubuntu 14

after an upgrade of my server from ubuntu 12.04 LTS to ubuntu 14.04 LTS my system date is advancing quickly (taking 1h every 10 minutes). I tryied to install an ntp server to correct date but no way ...
0
votes
0answers
47 views

reading dates from process substitution using awk. Issue with field separator, splitting tokens incorrectly

I have the following code, thanks to @Janis for the help with the process substitution. Also, apologies for creating a new question, I haven't received any recent replies on the thread of my previous ...
3
votes
6answers
8k views

How do I set time and date from the Internet?

How do I retrieve the date from the Internet and set my computer's clock, from the command line?
2
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2answers
59 views

Porting Linux date parsing to FreeBSD

I have date in this format: date -d $datum +"%Y-%m-%d" and on Linux it worked OK but in FreeBSD says this: ERROR wrong format usage: date [-jnRu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] ...
3
votes
4answers
161 views

What else apart from /etc/localtime and $TZ affects `date`?

I have a fedora 20 installation with the clock set to UTC, and no TZ environment variable. Why the date command is outputting the date in the CET timezone (which by the way is my local timezone)? ...
2
votes
2answers
184 views

How does one append a unix timestamp on a filename which is inside an argument?

To be more specific, I want the Unix timestamp to be appended to my file name: db:backup --database=mysql --destination=s3 --destinationPath=date+random.sql --compression=gzip However, this gives ...
3
votes
0answers
173 views

Why does the syslog timestamp not include a year?

I am planning to store some of my log messages for more than a year, but the syslog timestamp description from RFC3164 does not include a year in the timestamp portion of a log entry. An example ...
0
votes
1answer
90 views

Modify date in email header using script with mailx

I am trying to modify a script which grabs data from a database and puts it into the message of an email which is then sent out using mailx. What I need to do is grab the date which is in the first ...
14
votes
3answers
44k views

linux + add X days to date and get new virtual date

I have Linux ( RH 5.3) machine I need to add/calculate 10 days plus date so then I will get new date (expiration date)) for example # date Sun Sep 11 07:59:16 IST 2012 So I need to get ...
0
votes
2answers
27 views

Can setting random date cause problems under a UNIX desktop? [closed]

If we write a script that sets the date on a UNIX Desktop (so Linux, BSD) to a random one, example: in every minute, a new date is set: 1983.03.12 15h:17; 2039.04.01. 03:17, etc. Q: What problem ...
0
votes
3answers
56 views

Simple method to find the number of seconds between two (non-standard) date formats?

I have a program which outputs dates in the following form: Thu Mar 5 09:15:27 2015 This is very close to the output of date in Linux, but this format does not include time zone. Assuming I can ...
3
votes
3answers
166 views

Calculate date difference between Last modified date of a file and NOW using shell script

I am trying to calculate the time elapsed since the log file was last updated. I guess following commands will be used lastUpdate=$(date -r myLogFile.log) now=$(date) How can I subtract them and ...
0
votes
0answers
43 views

Get first day of the month

I need to get the first day of the month in this format "%y%m%d" or 150301 I can get the current day in this format: date +"%y%m%d" But the first day of the month is a lot trickier. Any thoughts? ...
1
vote
1answer
535 views

shell command to know computer manufacturing date [closed]

as object, I would like to know when a computer was built and also last OS installation date
0
votes
1answer
48 views

tail-ing a filename that is a date [duplicate]

I am creating a logfile from kermit named the current date (which is in the format of DD MMM YYYY - which can not be changed AFAIK), and using the file name as today's date. I then have a Bash script ...