the "date" tag is used to classify questions about date/calendar/time manipulation, visualisation, conversion... on Unix-like systems.

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1answer
26 views

Get Timestamp 00:00:00 Yesterday in bash shell

I have a script want to get timestamp in begin yesterday (00:00:00 GMT+0) but cannot excute this script dateto=$(date --date="1 days ago" +"%Y-%m-%d") datetoj=$(date +%s --date "$dateto 07:00:00") &...
1
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2answers
310 views

Can I convert a date in the format YYYYMMDDHHMM using date?

I have a date of the format YYYYMMDDHHMM. For example, 201607131001 would be 10:01 AM July 13, 2016. Is there any way I can use the date utility to format the timestamp?
0
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0answers
41 views

TIMEZONE set for specific country but we get UTC Time - how it can be?

I have Linux red-hat 6.6 version This machine was set for Israel time zone as the following # more /etc/sysconfig/clock ZONE="Israel" ls -ltr /etc/localtime lrwxrwxrwx 1 root root 23 Jul ...
-1
votes
3answers
58 views

How to determine & convert current time to no of seconds elapsed during current day?

I want to ask your that how to determine & convert current time to no of seconds elapsed during current day? Actually, I want to show how long is midnight from now in seconds. As total seconds ...
3
votes
4answers
59 views

Force date to read Day/Month/Year

How to I get the GNU date command to interpret dates in the format 'dd/mm/yyyy', for example: What I get: $ date -d '09/07/2016' Wed, Sep 7, 2016 12:00:00 AM What I want: $ date -d '09/07/2016'...
0
votes
1answer
31 views

HH:MM:SS (with AM/PM) 12 Hour Timestamp for Bash Prompt

I'm trying to add a timestamp to the beginning of my bash prompt in the format of a 12 hour HH:MM:SS AM/AM clock, and as of now, I've had no luck. Here's a couple things I've tried. I've tried date +%...
0
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1answer
30 views

view IPs from apache access.log for date period

I have seen someone use this command -- and it works where it pulls back all the IPS in a list/group: cat access.* | awk '{ print $1 }' | sort | uniq -c | sort -n However, I want to choose the past ...
1
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2answers
49 views

how to trim a date to format of 00/00/0000?

I am new and have a very naive question. I want to trim and substitute the already extracted date in a .csv file from 0/0/0000 to 00/00/0000 for instance 1/9/2016 --> 01/09/2016 I have this script ...
2
votes
2answers
42 views

how does the gnu coreutils `date` work? [closed]

I did not see any similar questions on this site. The manpage, while helpful in describing how to use date, did not have much background info. Even the info page (as prescribed in the manpage: info '(...
0
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1answer
39 views

Why do these commands produce different outputs?

I am trying to get the linux timestamp from a row of text. I can use the cut command to grab the string > echo '"tester_row_____",0,"2016-07-04T01:42:28Z","2016-07-04T02:00:58Z"' | cut -c 22-41 ...
0
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1answer
57 views

Display Date Command

Need to export variable with date command and need the format like this export etool_start=`date +"%Y%m%d%k%M echo $etool_start 201607032314 This works fine when date digits are between 10-20. When ...
1
vote
2answers
39 views

Setting old system date

I have a Centos 7 server running in a cloud-server provider (ProfitBricks). I need to setup a demo system but is really hard to create daily fake data. My idea is to configure this server with an old ...
1
vote
1answer
39 views

Compare dates in a list

So I have a list of dates and I need to develop a script that keeps a rolling count of how many dates are older than 14 days (date --date="14 days ago" +%Y%m%d). Not sure how I can have the date check ...
0
votes
1answer
410 views

Check if date is n years old

I have a variable $date with format yyyy-mm-dd and I would like to check if it is exactly 1 year, 2 years (and so on) old. That's what I tried so far: dates=$(echo $date | cut -c6-10) todays=$(date +...
4
votes
4answers
50 views

Generate line number / “index” within a range from a date seed value

I'm trying to create a bash script to display a word of the day (random for each day). I have a dictionary file that on each line has a word and its definition. I'd like to use date to get a unique ...
1
vote
1answer
36 views

Converting date/time to current JDN

I would like to convert a date/times to the Julian Date (number of days since Jan 1 4713 BCE, not the YY-ddd form where ddd is the day number of the current year). This doesn't seem to be built-in to ...
0
votes
1answer
69 views

Outputting date from an array with bash

I'm trying to put together a script that will detect when someone joins my network via DHCP and then will email me the details. The problem I'm having is with parsing the epoch time in the loop. I've ...
0
votes
3answers
107 views

Can I obtain microsecond granularity when I calculate the number of nanoseconds from Windows Epoch to today?

Using Ubuntu Linux 16.04 and g++, I was wondering if could obtain microsecond or millisecond granularity when I calculate the number of nanoseconds between Unix Epoch or Windows Epoch and an arbitrary ...
2
votes
3answers
54 views

Get file modification time in yyyymmddhh24miss format

I want to get the modification time of a file in a specific format. How can I do that ? I know about stat -c %x find.txt but I need this format: yyyymmddhh24miss I'm using ksh on Linux 2.6.18-...
0
votes
1answer
65 views

inserting modified date into filename - 2 cases

I believe I'll ask two separate questions, but the context is the same, so I hope it's alright. I have an output of few processes as presented below (which I can't modify). 25978.csv 26044.csv 26865....
0
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2answers
34 views

FreeBSD date utility -r switch confuses me

I have a bash script which I need to convert from linux to FreeBSD, but I'm obviously too stupid to read the man page in a proper way. The script has a line along: date +%d -r "$file" which works ...
2
votes
2answers
87 views

Getting the date from a ssh client

I have a problem with an embedded computer where it does not have a separate Real Time Clock and as such every time I reboot it, it loses track of the current date. This is very annoying because lots ...
1
vote
1answer
19 views

Display the package date in the Aptitude UI

The Aptitude README (on Ubuntu 16.04, under /usr/share/doc/aptitude/README) gives the escape codes to customize how the packages are displayed in the UI (typing aptitude without any parameters at the ...
3
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2answers
54 views

Prevent updates to 'modified time' when copying files to a mounted Samba folder

I don’t want the “last modified” attribute to be changed to the current date when copying files to a mounted Samba folder. How can I do this? This behavior occurs with (K)Ubuntu 12.04 and Ubuntu 15....
4
votes
2answers
100 views

Millisecond time in a shell script

How can someone print the entire time ie, for example 12:07:59:393(HH:MM:SS:milliseconds) in milliseconds. I found a lot of posts saying how to print Milliseconds along witht HHMMSS but I want to ...
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1answer
22 views

Why %H%M%S is not working in .screenrc?

According to this answer, I can rename logfile of screen with date to avoid logfile appending problem But %c used in that answer contains a colon, like 19:00. Since I have to sync files with windows, ...
0
votes
1answer
51 views

command /opt/bin/date --date '-15 minutes 2016-04-27T14:14:47' producing result many hours before stated time

I'm using the following command in an attempt to work out the time 15 minutes before the timestamp: /opt/bin/date --date "-15 minutes 2016-04-28T16:58:55" '+%Y-%m-%dT%H:%I:%S' The problem is the ...
3
votes
1answer
95 views

How do I set up busybox to allow a non-root user to set the date?

I have an embedded system built with busy box. I allow a user named "app" to download a program/script to a directory and it will be run on boot. The program should be allowed to set the date. It ...
-1
votes
1answer
25 views

adding date to beginning of file name using script

I have multiple files that need to be renamed with a date added to the beginning of the file name that I am trying to script. I'm using the cp command because I need to keep the original file I need ...
1
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2answers
63 views

at now - different date

This is my current system date root@48392:/home/# date Mon Apr 25 19:08:13 CEST 2016 Now I set up an at job... root@48392:/home/# echo "ls" | at now warning: commands will be executed using /bin/...
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4answers
199 views

Dangers of using rm command with variables

I am creating a crontab that compresses 15 minute clips from my security camera into one file (24 Hours Long) and then having the clips delete. avimerge -o /media/jmartin/Cams/video/Full_$(date +%F --...
0
votes
1answer
62 views

How do you put date and time in a file name?

I'm trying to execute a command and would like to put the date and time in the output file name. Here is a sample command I'd like to run. md5sum /etc/mtab > 2016_4_25_10_30_AM.log The date time ...
1
vote
2answers
56 views

Time travelling and log files

When testing changes to a legacy codebase on a development system, my preferred method of testing is to set the system clock to a date in the past, eg date -s '-7 days', I then playback some ...
0
votes
1answer
27 views

Set date with milliseconds from epoch

How do I set the date using milliseconds and or seconds from epoch? date -s 127846398127?
1
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1answer
61 views

linux redhat + change time from UTC to GMT+X

how to change the time from UTC to GMT+2 my current date is UTC as the following 20:23:48 root@linux-test01:~ # date Sat Apr 16 20:23:52 UTC 2016 and I want to change it from UTC to GMT+2
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2answers
71 views

How to convert a string into a date in a given format

Need a string in '9-2-1832' format in a '1832-09-02' format. Must be able to fill a 'date' type field in mysql.
0
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1answer
35 views

Change last edited date [duplicate]

How can I change the last edited date of a file? There doesn't seem to be anything like: chlastediteddate 12/7/12 file What command can do this? Is there a way to do this without changing what the ...
3
votes
3answers
88 views

Get lines between two timestamps from a file

I have this large file that I need to go through using date and time. Every line in this file has a date and time in it. I need to search through the lines and get the lines that lie between two ...
1
vote
1answer
61 views

Set ls -l time format

I would like for all my ls commands that display a date, such as ls -l, to print the date column in a format of my choosing. Currently, I manually set this every time with --time-style. Is there any ...
1
vote
3answers
128 views

How to list all weekends for the next 6 months?

$ SAT=$(date -dsaturday +%Y-%m-%d) $ SUN=$(date -dsunday +%Y-%m-%d) $ $ echo $SAT 2016-04-09 $ echo $SUN 2016-04-10 $ I know how can I list the next dates for Saturday and Sunday. How can I list ...
0
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0answers
11 views

File manager: show “create date” [duplicate]

I'm using Linux Mint 17 Mate with Caja file manager. I find it very useful to know the date a file was created - this doesn't seem to be an option in CAja, or with Linux as far as I can tell so far - ...
2
votes
2answers
107 views

Get previous month regardless of days

In Linux, I can get last month by using date -d "last month" '+%Y%m' or date -d "1 month ago" '+%Y%m' But say, today is 31st of March, if I run the command at top, it shows 201603, but I want ...
3
votes
1answer
30 views

How to increment a day in a date that is stored in a variable

I am on OSX and have a date variable stored in $d which is formatted like %Y_%m_%d. So echo $d would give something like 2016_03_29. I want to increment the day by 1 so it becomes 2016_03_30. From ...
0
votes
1answer
31 views

How to implement config file expiration time?

I have a Debian server which runs a service using multiple config files (in a similar way to apache2) which I need to add an expiration date to. The config file that has an expiration date starts with ...
4
votes
1answer
171 views

Piping into moreutils' ts with nanosecond precision?

On this system: $ cat /etc/issue Ubuntu 14.04.4 LTS \n \l $ uname -a Linux mypc 3.19.0-56-generic #62~14.04.1-Ubuntu SMP Fri Mar 11 11:03:33 UTC 2016 i686 i686 i686 GNU/Linux $ apt-show-versions -r ...
4
votes
2answers
161 views

Failure of ntpdate if the system is set to a date beyond 2038

The correct current date is .Fri Mar 25 12:11:07 CST 2016. When I change the date to "2018/01/01", ntpdate works properly. When I change the date to "2099/01/01", ntpdate does not work properly. Ok:...
1
vote
1answer
27 views

Actively monitor the modified date of all files in a directory

Is there a way to actively monitor the modified dates of all files or directories in a current directory? I am using the BASH shell. By actively I mean run a command once and then be able to monitor ...
4
votes
3answers
125 views

UTC vs. localtime has an offset of about 25 seconds

I have compared this in different systems, but only get this behavior in an embedded system running Arago linux. I use the date command from BusyBox v.1.13.2 I executed this two commands "...
0
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0answers
30 views

How to change the date format in the LXDM login/greeting screen (LXDE)

I found a number of resources to change the system (Archlinux 2016-03-01) date format, amongst others one to create a new format from an existing locale file. I then modifed /etc/environment and ...
0
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2answers
92 views

Number of Seconds since epoch in solaris 10

I am trying to get the number of seconds since the epoch in both Solaris 10 and Solaris 11. On Solaris 11, "date +%s" is giving me the output (from bash), but the same is failing on Solaris 10. What ...