02-10-2020
You should not need awk (or any command line text processor) to convert from various date formats to unixtime (epoch time) and back again.
I spent a few hours today on MQTT with various date and time formats, passing between PHP and Node.js (Javascript) and back, converting unixtime to various formatted date strings and back.
I did not require any text processing software to do this.
Working with dates and time is very standard these days, and we generally do not need text processors to format date and time strings, convert between various formats, and back. This is all "standard stuff" in computer science for quite some time.
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi I am very new to scripting,
Can someone show me how to (in unix shell script) compare the system's date with a date in a file. The requirement is to somehow open this file (which will only have a date in it) and compare it with today's date. If they are equal execute a procedure below but if... (4 Replies)
Discussion started by: siog
4 Replies
2. Shell Programming and Scripting
Hi,
Any idea to get display of date - n ( n=1,2,3,4 etc) ?
For example , dtoudt will easily execute by dtoudt -3 and result is
>dtoudt -3
1234852529 Date 2009-2-17 time 14:35:29 day 47
How to get it display in 20090217 instead ?
Maybe you have other suggestion to display date... (0 Replies)
Discussion started by: rauphelhunter
0 Replies
3. Shell Programming and Scripting
Hi Guys,
I was working some time ago n was in need to calculate date 30/31 days from today including Feb (Leap yr stuff). Today date is variable depending on day of execution of script. I tried searching but was not able to get exactly what I needed....So at that I time I implemented by my own... (3 Replies)
Discussion started by: coolgoose85
3 Replies
4. Shell Programming and Scripting
Hello - I have written the following basic shell script to count files, compare files and look for a particular strings in a file.
Problem 1: How do I define more than 1 file location?
#!/bin/bash
#this is a test script
FILES=$(ls /home/student/bin/dir1, home/student/bin/dir2)... (0 Replies)
Discussion started by: DallasT
0 Replies
5. UNIX for Dummies Questions & Answers
Hello,
I am trying to show today's date and time in a better format than ‘date' (Using positional parameters). I found a command mktime and am wondering if this is the best command to use or will this also show me the time elapse since 1/30/70? Any help would be greatly appreciated, Thanks... (3 Replies)
Discussion started by: citizencro
3 Replies
6. Shell Programming and Scripting
I was wondering the best way about finding files that were created today and copy them to a directory (grep ?). There can be multiple files for todays date or none. I am looking to copy all of the .lis files for todays date. I may need to modify the filename to include todays date but for the... (4 Replies)
Discussion started by: smkremer
4 Replies
7. Shell Programming and Scripting
Hello,
I have a file like this:
2012112920121130
12345620121130msABowwiqiq
34477420121129amABamauee
e7748420121130ehABeheheei
in case the content of the file has the date of yesterday within the lines containing pattern AB this should be replaced by the current date. But if I use... (3 Replies)
Discussion started by: Lilu_CK
3 Replies
8. Shell Programming and Scripting
Hi,
One of my Unix scripts needs to look for files coming in on Fridays. This script runs on Mondays. $date +"%y%m%d" will give me today's date. How can I get previous Friday's date.. can I do "today's date minus 3 days" to get Friday's date? If not, then any other way?? Name of the files is... (4 Replies)
Discussion started by: juzz4fun
4 Replies
9. Shell Programming and Scripting
Hi
I have file with number status and date1 and date1 field,
want add a column today between column date1 and date2.
file1.txt
number status date1 date2
===== ==== === =====
34567 open 27/06/13 28/06/13
45678 open 27/06/13 28/06/13
43567 open 27/06/13 28/06/13 ... (1 Reply)
Discussion started by: vijay_rajni
1 Replies
10. Shell Programming and Scripting
hi all,
How to compare two files whether they are same are not...? like i had my input files as 20141201_file.txt and 20141130_file2.txt
how to compare the above files based on date .. like todays file and yesterdays file...? (4 Replies)
Discussion started by: hemanthsaikumar
4 Replies
LEARN ABOUT DEBIAN
data::faker::datetime
Data::Faker::DateTime(3pm) User Contributed Perl Documentation Data::Faker::DateTime(3pm)
NAME
Data::Faker::DateTime - Data::Faker plugin
SYNOPSIS AND USAGE
See Data::Faker
DATA PROVIDERS
unixtime
Return a unix time (seconds since the epoch) for a random time between the epoch and now.
date
Return a random date as a string, using a random date format (see date_format).
time
Return a random time as a string, using a random time format (see time_format).
rfc822
Return an RFC 822 formatted random date. This method may not work on systems using a non-GNU strftime implementation (kindly let me
know if that is the case.)
ampm
Returns am or pm randomly (in the current locale) using one of the formats specified in ampm_format.
time_format
Return a random time format.
date_format
Return a random date format.
ampm_format
Return a random am/pm format.
datetime_format
Return a random date and time format.
month
Return a random month name, unabbreviated, in the current locale.
month_abbr
Return a random month name, abbreviated, in the current locale.
weekday
Return a random weekday name, unabbreviated, in the current locale.
weekday_abbr
Return a random weekday name, abbreviated, in the current locale.
sqldate
Return a random date in the ISO8601 format commonly used by SQL servers (YYYY-MM-DD).
datetime_locale
Return a datetime string in the preferred date representation for the current locale, for a random date.
date_locale
Return a date string in the preferred date representation for the current locale, for a random date.
time_locale
Return a time string in the preferred date representation for the current locale, for a random date.
century
Return a random century number.
dayofmonth
Return a random day of the month.
UTILITY METHODS
Data::Faker::DateTime::timestr($format);
Given a strftime format specifier, this method passes it through to POSIX::strftime along with a random date to display in that format.
Perl passes this through to the strftime function of your system library, so it is possible that some of the formatting tokens used
here will not work on your system.
NOTES AND CAVEATS
Be careful build timestamps from pieces
Be very careful about building date/time representations in formats that are not already listed here. For example if you wanted to get
a date that consists of just the month and day, you should NOT do this:
my $faker = Data::Faker->new();
print join(' ',$faker->month,$faker->dayofmonth)."
";
This is bad because you might end up with 'February 31' for example. Instead you should use the timestr utility function to provide
you a formatted time for a valid date, or better still, write a plugin function that does it:
my $faker = Data::Faker->new();
print $faker->my_short_date()."
";
package Data::Faker::MyExtras;
use base qw(Data::Faker);
use Data::Faker::DateTime;
__PACKAGE__->register_plugin(
my_short_date => sub { Data::Faker::DateTime::timestr('%M %e') },
);
POSIX::strftime
See the documentation above regarding the timestr utility method for some caveats related to strftime and your system library.
SEE ALSO
Data::Faker
AUTHOR
Jason Kohles, <email@jasonkohles.com>
COPYRIGHT AND LICENSE
Copyright 2004-2005 by Jason Kohles
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.10.1 2005-07-14 Data::Faker::DateTime(3pm)