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Chapter 1. Getting Started
- Starting a new project
Chapter 2. Strings
Chapter 3. Numbers
Chapter 4. Data Structures
- Using associative arrays
Chapter 5. Good Coding Practices
Chapter 6. Files and I/O
Chapter 7. Dates and Times
Chapter 8. Data and Text Processing
- Manipulating files with CLI one-liners
- Editing files in-place with CLI one-liners
Chapter 9. Testing and Debugging
Chapter 10. Data Formats and Serialization
Chapter 11. HTML and the Web

Chapter 1. Getting Started
- Starting a new project
Chapter 2. Strings
Chapter 3. Numbers
Chapter 4. Data Structures
- Using associative arrays
Chapter 5. Good Coding Practices
Chapter 6. Files and I/O
Chapter 7. Dates and Times
Chapter 8. Data and Text Processing
- Manipulating files with CLI one-liners
- Editing files in-place with CLI one-liners
Chapter 9. Testing and Debugging
Chapter 10. Data Formats and Serialization
Chapter 11. HTML and the Web

Chapter 5. Good Coding Practices

Fish Shell Chapter 5.
Good Coding Practices

Handling errors

To catch errors in Fish, lean on the status command and conditionals.

In Fish, logging can be as simple as redirecting standard output and error streams to a file.

In Fish, you write a function with function keyword, give it a name, and end with end.

Imagine you’ve got a script that’s grown quite a bit over time.