bash

Is WSL2 a good way to start learning Linux for backend development?

I'm a complete beginner using Windows, and I'd like to become a backend developer. Dual-booting makes me nervous because I've never partitioned a drive and I'm worried about…

Is WSL2 enough to start learning Linux for backend development?

I'm a complete beginner using Windows, and I'd like to become a backend developer. I'm nervous about dual-booting because I've never partitioned a drive and don't want to…

How do I loop over files in Bash and create matching output filenames?

Hi! This is my first time using Bash, and I'm trying to run a Python script on every file in /data/folder. I want each result to be written…

How do I write a Bash loop that processes files and saves matching output names?

Hi! I'm new to Bash and I'm trying to loop through every file in /data/folder, pass each one to munge_sumstats.py, and write the processed result to another folder.…

Is This Bash Build Script Safe and Maintainable for a GitHub Pages Workflow?

I'm new to Linux and Bash and wrote this script to build and publish my Bevy game to GitHub Pages. It detects Ubuntu, Arch, or CachyOS, updates the…

Are there any logic problems in this Bash backup and verification script?

I wrote a Bash script to create a full snapshot of several source directories under a timestamped destination. For now, the source and backup paths can be hard-coded.…

Are there any logic problems in this Bash backup and verification script?

I'm writing a Bash script to create a full snapshot of several source directories in a timestamped backup directory. For now, I'm fine with hard-coded paths. The script…

Is this Bash build script safe and maintainable for a Rust/WebAssembly deployment?

I'm new to Linux and Bash, and I wrote this script for a CI workflow that publishes my Bevy game as a WebAssembly build. It detects Arch-based systems…

What Does a Linux Distribution Add Beyond the Kernel and Desktop?

I'm trying to understand how the different parts of a Linux system fit together. My understanding is that Linux is the kernel, while a desktop environment such as…

Should Shell Functions Use Positional Arguments or Named Options?

I'm writing a Bash function called run_aws_ssm_get_parameter. Its current interface is positional: run_aws_ssm_get_parameter "false" "" "some_param". The first value controls debug logging, the second optionally identifies an AWS…

What Does a Linux Distribution Add Beyond the Kernel and Desktop?

I'm trying to understand how the pieces of Linux fit together. The Linux kernel handles communication with the hardware and manages resources, while a desktop environment such as…

Should Bash Functions Use Positional Arguments or Named Options?

I'm designing a Bash function called run_aws_ssm_get_parameter. Its current interface is positional: run_aws_ssm_get_parameter "false" "" "some_param". The first argument controls debug logging, the second is an optional AWS…

How can I open multiple matching PDF files from the terminal?

I'm a university student who regularly downloads groups of PDFs named with patterns such as Subject-Day-Classmaterial or Subject-Day-Worksheet. I know I can use wildcards like `Li*` when moving…

How can I reduce duplication in these Bash installation functions?

I have several Bash functions that install Docker, Docker Compose, Git, and jq. Each function repeats argument-count checks, empty-value validation, boolean validation, debug logging, and error handling. The…

What’s a secure way to generate a random password from Bash?

Is it possible to generate a random password from a Bash script? I'm looking for a practical command or short script that can create a password of a…

How can I reduce duplication in these Bash installation functions?

I have several Bash functions that install tools such as Docker, Docker Compose, Git, and jq. Each function repeats argument-count checks, empty-value validation, boolean validation for a debug…

What’s a secure way to generate a random password in Bash?

Is it possible to generate a random password from Bash? I'm looking for a simple command or script where I can choose the password length, ideally using a…

What is the idiomatic way to write Boolean-style functions in Bash?

I'm writing Bash functions to check whether a Docker network exists and create it only when necessary. In a language with Boolean return values, I would return true…

Why does `find` need `;` instead of just `;`?

I'm trying to understand the syntax used with `find`, especially commands such as `find . -exec command {} ;`. Why must the semicolon be written as `;`? What…

What’s the best way to get comfortable with the terminal and Bash?

I know the basic commands for printing text, finding files, and working with simple syntax, and my previous experience with GDScript has helped me pick things up faster.…