Tag Archives: command-line

Unreasonably faster notes, with command-line fuzzy search

A good note system should act like a second brain:

  1. Accessible in seconds
  2. Adding information should be frictionless
  3. Searching should be exhaustive – if it’s there, you must find it

The benefits of such a note system are immense – never forget anything again! Search, perform the magic ritual of Copy Paste, and rejoice in the wisdom of your tried and tested past.

But how? Through the unreasonable effectiveness of interactive fuzzy search. This is how I have used Fuz, a terminal-based file fuzzy finder, for about 4 years.

Briefly, Fuz extracts all text within a directory using ripgrep, enables interactive fuzzy search with FZF, and returns you the selected item. As you type, the search results get narrowed down to a few matches. Files are opened at the exact line you found. And it’s FAST – 100,000 lines in half a second fast.

Using Fuz to quickly add a code-snippet in our note directory – then retrieving it with fuzzy-search. Here, on how to read FASTA files with Biopython, conveniently added to a file called biopython.py.
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Running code that fails with style

We have all been there, working on code that continuously fails while staring at a dull and colorless command-line. However, we are in luck, as there is a way to make the constant error messages look less depressing. By changing our shell to one which enables a colorful themed command-line and fancy features like automatic text completion and web search your code won’t just fail with ease, but also with style!

A shell is your command-line interpreter, meaning you use it to process commands and output results of the command-line. The shell therefore also holds the power to add a little zest to the command-line. The most well-known shell is bash, which comes pre-installed on most UNIX systems. However, there exist many different shells, all with different pros and cons. The one we will focus on is called Z Shell or zsh for short.

Zsh was initially only for UNIX and UNIX-Like systems, but its popularity has made it accessible on most systems now. Like bash, zsh is extremely customizable and their syntax so similar that most bash commands will work in zsh. The benefit of zsh is that it comes with additional features, plugins and options, and open-source frameworks with large communities. The framework which we will look into is called Oh My Zsh.

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