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

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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 ...
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19 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
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2answers
56 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) ...
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2answers
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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?
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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 ...
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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' ...
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2answers
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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 ...
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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 ...
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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 ...
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How does touch -t work internally?

How does touch -t command works exactly, internally (I tried to find its source code but couldn't)?
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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 ...
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1answer
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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?
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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 ...
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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 ...
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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 ...
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6answers
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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?
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2answers
40 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]] ...
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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 ...
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4answers
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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)? ...
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2answers
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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 ...
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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 ...
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1answer
37 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 ...
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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 ...
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2answers
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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 ...
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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 ...
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3answers
98 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 ...
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39 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? ...
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387 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
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37 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 ...
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5answers
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Highlight the current date in cal

I would like to highlight today's date in the output of the cal command. What is the best way? This is what I have so far: cal -m | grep -C6 --color "$(date +%e)" but it doesn't work for all cases ...
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3answers
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How to get previous year and previous month in solaris 8

How to get previous year and previous month in solaris 8? I have tried below command but none of them is correct: date +'%m' -d 'last month' date +'%Y' -d 'last year'
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Quickly calculate date differences

I often want to make some quick date calculations, such as: What is the difference between these two dates? What is the date n weeks after this other date? I usually open a calendar and count the ...
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timedatectl not persisting time when set manually

Configuration before any attempts to modify it as per timedatectl: Then, I set the time manually timedatectl --adjust-system-clock set-time "2010-04-20 04:30:50": Nice, works! Now, I rerun ...
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3answers
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Date in milliseconds on OpenWRT on Arduino YUN

I am using OpenWRT on the Arduino YUN and I am trying to get the exact date in milliseconds (DD/MM/YYYY h:min:sec:ms) by getting the time by an timeserver. Unfortunately date +%N just returns %N, but ...
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86 views

Replace date with current date

I have a file abc.fil whose content is in the format yyyymmdd.xyz.doc. I want to cat that file abc.fil such that I get the output as 20150127.xyz.doc. Can any one please help me to resolve this ...
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Get all the records from a file with Date collumn less than a month

Input file ID,Name,join_date 21433432,rds,2014_02_01 2131321,ABCDS,2014-10-20 2432745314,ASRER, 2015-01-20 2132432423,safdsad, 2015-12-30 Need two files created one for records with the date column ...
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3answers
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Get modification date that can be used with touch -m

I need to get the modification date of a file so that I can set it on other files using touch -m. stat or perl -le 'print((stat shift)[9])' Didn't return what I wanted. I think that you are supposed ...
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1answer
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Bash script, ask for user input, to change a directory, sub directorys, and file's mtime atime linux recursively

Using GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu) I am a bash scripting novice, not sure where to begin except at shebang #!. The following command. touch -a -m -t 201501010000.00 ...
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3answers
951 views

How to represent date format in '2015120' in Linux shell?

My colleague is generating log files with a preceding date format like 2015120, which represent January as 1 instead of 01. The usual way I'm using to deal with this kind of issue is using date ...
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Is there a way to adjust the formatting of the date/time in the GNOME 3 login screen and desktop?

I'm specifically looking to change the formatting in two places: On the desktop, the date/time reads "Sat 21:05". I would like it to read "23-Jul-11 21:05" or "23 Jul 11 21:05". In other words, I ...
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How to convert date format in file

Input file: Contains 3 columns with the 3rd column is date in DD-MMM-YYYY format sample data: 1232,abdc, 02-Jan-2014 4534,kdafh, 20-Feb-2014 364,asjhdk, 11-Jul-2012 required output: 1232,abdc, ...
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5answers
281 views

log file: only process entries older than “MMM DD HH:MM:SS”

I need to process my logfile /var/log/mylogs.log. I am only interested in the new entries, lets say, since Jul 20 15:00:00 but the log contains older entries as well. Is there any simple way, how I ...
3
votes
3answers
273 views

sort lines according to day

I have a text file in following format, and I need to sort the lines according to date. Is there some simple way to do it (preferably in bash) ? 2013-May-30 2 2013-May-21 10 2013-Jun-27 8 ...
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2answers
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change non-zero padded hour and minute into 24hr time

I have data that I need to change before running it through the pandas library in python. It is currently in a format that stores midnight values as 2400 and that should be changed to 0000. The ...
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1answer
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Create sub-directories and organize files by date

I have some directories of files copied from my security camera that I would like to organize into sub-directories by file date. So for example; -rwxrwxrwx 0 root root 4935241 Jul 19 2012 ...
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Equivalent of date --reference in Solaris

The GNU implementation of the date command has a nice feature to show the date of the last modification of a reference file. Then using the +FORMAT parameter it's easy to get the date in any format, ...
2
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1answer
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calendar to check the date and then search 3 months back and add up the days of those months?

I want to use the cal comand or the date comand to displace the current day then I want it to displace 3 months before the current date then add up all the days in those 3 months up to the current ...
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3answers
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Need to get the difference between two time in seconds

The following two variables contain the start time and the end time , need to get the difference between these two time in seconds start_time=06:07:25 end_time=07:02:08 Desired Output diff_time= ...
27
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5answers
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How do I convert an epoch timestamp to a human readable format on the cli?

How do I convert an epoch timestamp to a human readable format on the cli? I think there's a way to do it with date but the syntax eludes me (other ways welcome).
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2answers
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append time to log filenames

I want to make log_files named as log_Jan_01_hh:mm:ss, so the variable time-stamp is defined as date +"%b_%d_%T". Now if I set the value to a variable: setenv now `date +"%b_%d_%T"` Then $now ...