the "date" tag is used to classify questions about date/calendar/time manipulation, visualisation, conversion... on Unix-like systems.
0
votes
0answers
15 views
Issues with storing an echo of a date conversion into a string variable inunix
Apologies but this question comes from a question previously raised: How can I convert a local date-time into UTC date-time? Toby has been absolutely great helping me with some conversion string-->BST ...
2
votes
1answer
25 views
How can I convert a local date-time into UTC date-time?
I am trying to get a bash script working and in order to do so I need to transform a local time in +%Y%m%d%H%M%S format (example: "20150903170731") into UTC time in the same format.
I know date -u ...
0
votes
1answer
26 views
Output date is not proper when the script is ran using cron
The below line should provide an output date which when ran manually gives an proper output like Fri Jul 17 01:42:07 2015.
But when ran using cron gives the epoch date i.e. Wed Dec 31 19:00:00 1969
...
1
vote
3answers
97 views
change of date format in awk command
I have a file mdn.txt with following sample record.
mdn.txt:
123456,2711448,1,20150214092425,20150714092425,120,20150814163821,,123,,,123,20150214092425,,123,,,123,20150214092425,,123,Y
Now I want ...
1
vote
1answer
31 views
Why isn't `date` respecting my locale?
I am having some issues processing dates, where they are being interpreted in US format (mm-dd) instead of EU/AU format (dd-mm). It looks like date isn't respecting my locale settings, or they are ...
0
votes
2answers
51 views
How can i convert 14/Jul/2015 into 14-08-2015 [duplicate]
How can I convert 14/Jul/2015 into 14-08-2015?
It is saying invalid date format because of the Jul element, but if I put 07 then it works fine.
I tried this:
echo "Please enter the date: "
read X ...
4
votes
3answers
150 views
Get date of next Saturday from a given date
I want the date of the coming Saturday after a given date.
For example, for $date1="30-AUG-2015", I want the result 05-SEP-2015.
I have tried all the commands below with no success:
samba@samba:~$ ...
2
votes
1answer
25 views
Finding burn-date of a DVD
An ISO file has been burned into a blank DVD (in a Linux OS). Is there any commands in Ubuntu to check when the DVD was burned?
I mean the date that the ISO file was burned, I do not mean the date ...
3
votes
1answer
320 views
Add 30 days in date
Using bash or mysql , how can I add 30 days in user expiry table?
Example I have DB name USERS and table expiry like this:
USERNAME EXPIRATION
JOHN 2015-09-26
I want the command to take ...
2
votes
1answer
34 views
The arithmetic operations in bash date… ¿are reversed?
Edit: using Amazon Linux:
Linux ip-xx-xx-xx-xxx 3.14.44-32.39.amzn1.x86_64 #1 SMP Thu Jun 11 20:33:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Output of this command:
date +"%Y-%m-%d %H:%M:%S" ...
1
vote
0answers
17 views
date/time setting does not work after unplugging power adapter or sudden power cut
For some reason, I want to configure the date/time in my Linux (CentOS 6.5) to be different from the REAL date/time, but the setting won't work if I turn my computer(desktop not laptop if this ...
10
votes
3answers
758 views
What's a smart way to count the number of days since X?
I started working at my current position since November 17th 2014. I would like to know how many days have run up to now. Any ideas on how to use Linux to come up with a simple and nice solution ?
11
votes
3answers
506 views
Date validation in shell
I want to validate the below date format in shell script
2015-Jul-13
I'm using date -d "2015-Jul-13" +"%Y-%b-%d" but its giving error as
date: invalid date '2015-Jul-13'
1
vote
1answer
38 views
Why is the localtime reset to the default timezone?
I use the following commands to set the timezone on our Amazon Linux (Centos) server:
ls -al /etc/localtime
-rw-r--r-- 1 root root 118 25 dec 2012 /etc/localtime
sudo mv /etc/localtime ...
1
vote
3answers
70 views
epoch time for GMT
On AIX
date -u gives date and time in GMT format
date gives date and time in local timezone
date +%s gives local time in epoch time
Is there a way to get GMT time in epoch format?
In the AIX I'm ...
3
votes
4answers
207 views
How to compare two dates without using Stat?
I'm trying to compare the last date modified of a file to today's date. If the modification date is before today's date then my script will do one thing, if the date matches todays date i need it to ...
4
votes
2answers
60 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
121 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
190 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 ...
0
votes
1answer
44 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 ...
10
votes
3answers
629 views
How do I get the current time in a different time zone without changing system time? [duplicate]
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 ...
1
vote
1answer
33 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
40 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 ...
6
votes
1answer
240 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 ...
0
votes
1answer
65 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
111 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
85 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 ...
3
votes
1answer
446 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, ...
2
votes
3answers
80 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 ...
1
vote
1answer
47 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:
...
0
votes
1answer
73 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 ...
4
votes
2answers
71 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
137 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?
1
vote
1answer
35 views
How to print a concatenated date 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' ...
4
votes
2answers
151 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
2answers
75 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 ...
1
vote
1answer
97 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?
0
votes
0answers
28 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 ...
1
vote
1answer
59 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
1answer
64 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 ...
0
votes
0answers
56 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 ...
2
votes
2answers
73 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
310 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)?
...
3
votes
0answers
248 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 ...
2
votes
2answers
200 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 ...
0
votes
1answer
130 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 ...
0
votes
2answers
28 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
75 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 ...
0
votes
0answers
47 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?
...
3
votes
3answers
249 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 ...
