Number conversion


If there's some task you need to perform regularly, it matters how efficient the process becomes, even if that task is simple. This is why the batch image processor above is so effective, and it's also why this neat little command-line utility also succeeds. In fact, the developer created it after noticing that the desktop calculator was being launched too often and wanting to stay on the command line. That's because Bitwise, as its name suggests, is going to be primarily of use to low-level programmers who often need to convert between binary, octal, and hexadecimal number bases, which is often a requirement when you're getting hardware to work or developing parts to plug into the kernel.

Starting Bitwise without any arguments will launch the small utility in interactive mode, with the cursor flashing in a field that accepts a decimal number. As you type a number in, its value for the other number systems is calculated and shown in real time. You can use either the cursor keys, or the Vim movement keys (h, j, k, l) to switch between the fields and enter your chosen number using a different base. With the binary field, you can turn on and off separate bits with the space key. Another similarity with Vim is that you can press : to enter the expression calculator mode. This lets you type expressions to be calculated, and the answer alongside the expression is shown in a history pane. You can also run this mode from the command line without having to enter the interactive mode at all. It's simple, and it's the kind of thing any programmer could build over their lunch hour, but it's also effective.

Project Website

As its name suggests, alongside base conversion and expressions, you can also use Bitwise to perform bitwise operations.

Eurorack emulator

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy Linux Magazine

Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

  • Reading Material

    The Foliate ebook reader can be comprehensively customized to suit your needs, including bookmarking, translation, and read aloud features.

  • Stream Internet Radio with Radiotray
  • FOSSPicks

    This month Graham looks at Cardinal, Celestia 1.7.0, Friture, Wavetable, Helix Editor, Brogue CE, and more!

  • FOSSPicks

    Graham Morrison looks at VCV Rack, Audible Instruments, TripleA, Neofetch 3.3.0, TripleA, Eolie 0.9, and more!

  • Good News

    Create the perfect mix of news with an RSS aggregator. Linux supports several open source aggregators, or, if you're looking for the perfect fit, you can even create your own.

comments powered by Disqus
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters

Support Our Work

Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.

Learn More