Time::TAI::Simple - High resolution UNIX epoch time without leapseconds

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The "Time::TAI::Simple" module provides a very simple way to obtain the number of seconds elapsed since the beginning of the UNIX epoch (January 1st, 1970). It differs from "Time::HiRes" in that it returns the actual number of elapsed seconds, unmodi...

• tai - print the current TAI time.
• tai-download-leapseconds - download the IETF leapseconds file.

PGN - Portable Game Notation for Chess

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This is the Portable Game Notation Specification and Implementation Guide, as revised on 12th March 1994....

libev - a high performance full-featured event loop written in C

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Date::JD - conversion between flavours of Julian Date

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For date and time calculations it is convenient to represent dates by a simple linear count of days, rather than in a particular calendar. This is such a good idea that it has been invented several times. If there were a single such linear count then...

Data::Printer - colored & full-featured pretty print of Perl data structures and objects

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The ever-popular Data::Dumper is a fantastic tool, meant to stringify data structures in a way they are suitable for being "eval"'ed back in. The thing is, a lot of people keep using it (and similar ones, like Data::Dump) to print data structures and...

share::Synopsis::S02-bits

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Date::MSD - conversion between flavours of Mars Sol Date

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For date and time calculations it is convenient to represent dates by a simple linear count of days, rather than in a particular calendar. This module performs conversions between different flavours of linear count of Martian solar days ("sols"). Amo...

PDL::Graphics::Gnuplot - Gnuplot-based plotting for PDL

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This module allows PDL data to be plotted using Gnuplot as a backend for 2D and 3D plotting and image display. Gnuplot (not affiliated with the GNU project) is a venerable, open-source program that produces both interactive and publication-quality pl...

Astro::Coord::ECI - Manipulate geocentric coordinates

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This module was written to provide a base class for a system to predict satellite visibility. Its main task is to convert the Earth-Centered Inertial (ECI) coordinates generated by the NORAD models into other coordinate systems (e.g. latitude, longit...

Schedule::Match - Handles and detects clash between pattern-based schedules

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This library allows you to manage schedule which has structure similar to crontab(5) format. It offers methods to detect clash between schedules (with or without duration considered), and can also tell when, and how often they clash. From the viewpoi...

Win32::UTCFileTime - Get/set UTC file times with stat/utime on Win32

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NOTE: In Perl 5.33.5, the built-in "stat()" and "utime()" functions were rewritten (and a proper implementation of "lstat()" was added) in such a way that the UTC file time handling is now correct (including the case of "utime()" being used on direct...

Text::Prefix - Prepend strings with timestamps and potentially other contextually-relevant information.

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Text::Prefix contains the logic implementing the prefix(1) utility (included in this package). It takes arbitrary strings as input and produces output with various contextually-relevant information preceding the string. A variety of output formats ar...

Time::UTC::Now - determine current time in UTC correctly

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This module is one answer to the question "what time is it?". It determines the current time on the UTC scale, handling leap seconds correctly, and puts a bound on how inaccurate it could be. It is the rigorously correct approach to determining civil...