Selection of utilities

dateutils – collection of command line utilities

dateutils is a collection of command line utilities for working with dates, times, and date-time values in the shell.

The project provides dedicated tools for tasks such as arithmetic, comparison, sorting, sequence generation, parsing, timezone conversion, and calendar conversion, making it useful for scripting, data processing, and other workflows that need fast, repeatable date handling.

This is free and open source software.

Key Features

  • Provides separate utilities including dateadd, dateconv, datediff, dategrep, dateround, dateseq, datesort, datetest, datezone, and strptime.
  • Adds or subtracts durations from dates, times, and date-time values.
  • Generates chronological sequences of dates or times with options such as skipping specific weekdays.
  • Converts between calendric representations and performs bulk timezone conversions.
  • Calculates differences between dates and times with configurable output formats.
  • Sorts date and time values chronologically and compares them in shell scripts.
  • Extracts and converts date or time occurrences from input streams.
  • Supports leap-second aware calculations.

Website: github.com/hroptatyr/dateutils
Support:
Developer: Sebastian Freundt
License: BSD 3-Clause License

dateutils is written in C. Learn C with our recommended free books and free tutorials.


Related Software

Alternatives to date
datemathDate and time math utility
rdateRetrieve date and time from other machines
qtimeClock coded in Rust
hodieThe classic Latin replacement for date

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