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⇱ Bash to Rust: From Zero | Coursera

Bash to Rust: From Zero

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Bash to Rust: From Zero

Included with

Gain insight into a topic and learn the fundamentals.
Beginner level
No prior experience required
7 hours to complete
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Beginner level
No prior experience required
7 hours to complete
Flexible schedule
Learn at your own pace

Build your subject-matter expertise

This course is part of the Rust for Data Engineering Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
  • Learn new concepts from industry experts
  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
  • Earn a shareable career certificate

There are 5 modules in this course

Bash to Rust: From Zero is a hands-on conversion course for engineers, sysadmins, and data engineers who already write shell scripts and want to graduate to Rust for production-grade automation. You will learn how to translate common Bash idioms (pipes, redirects, glob expansion, process substitution, exit codes, signal handling, environment variables) into idiomatic Rust using crates like std::process::Command, clap for argument parsing, anyhow and thiserror for error handling, and tokio for async I/O. The course walks through real migration scenarios: replacing fragile shell pipelines with reliable Rust CLIs, building cross-platform automation that no longer depends on coreutils versions, packaging a single static binary for distribution, and structuring projects so that they can be tested, profiled, and maintained by a team. You will also learn when to keep using Bash (one-off glue) and when to invest in Rust (anything that gets re-run, shared, or shipped to production). By the end of the course, you will be able to migrate a non-trivial shell script to Rust, replace it in production, and reason about correctness, performance, and portability trade-offs.

Shell is where data pipelines silently rot — $RANDOM session ids collide on retry and bare mkdir fails the second time, but ShellCheck stays silent because those bugs live in the script's relationship with time and disk, not its syntax. This module installs bashrs with one cargo install, then teaches you to read a bashrs lint finding (SEC013/REL005) and the five-dimension bashrs score gate (≥ 8.0/10 overall).

What's included

2 videos5 readings1 assignment

2 videos•Total 4 minutes
  • Why Shell Is the Weakest Link•2 minutes
  • Reading a bashrs score Report•2 minutes
5 readings•Total 41 minutes
  • About This Course•1 minute
  • Key Terms: Why Shell Is the Weakest Link•10 minutes
  • Reflection: Why Shell Is the Weakest Link•10 minutes
  • Key Terms: Reading a bashrs score Report•10 minutes
  • Reflection: Reading a bashrs score Report•10 minutes
1 assignment•Total 30 minutes
  • Practice Quiz: Shell as the Weakest Link•30 minutes

Linting alone is necessary but not sufficient. This module pairs ShellCheck with bashrs lint to expose the determinism and idempotency findings ShellCheck silently approves, then teaches you to read bashrs audit grade summaries and apply the five-dimension score gate to Dockerfile RUN steps so container images stay reproducible.

What's included

3 videos6 readings1 assignment

3 videos•Total 4 minutes
  • bashrs lint vs ShellCheck•1 minute
  • bashrs audit for Grade-Level Summaries•1 minute
  • Linting Dockerfiles and Dev Containers•2 minutes
6 readings•Total 60 minutes
  • Key Terms: bashrs lint vs ShellCheck•10 minutes
  • Reflection: bashrs lint Deeper•10 minutes
  • Key Terms: bashrs audit for Grade-Level Summaries•10 minutes
  • Reflection: bashrs audit for Grade-Level Summaries•10 minutes
  • Key Terms: Linting Dockerfiles and Dev Containers•10 minutes
  • Reflection: Linting Dockerfiles and Dev Containers•10 minutes
1 assignment•Total 30 minutes
  • Practice Quiz: Linting and Auditing•30 minutes

Move from messy shell to deterministic, idempotent layers using bashrs purify. You will rewrite scripts so they can be run twice without surprises, push idempotency to the right layer (script, container, or config tool), and learn to verify safe re-execution end to end.

What's included

2 videos4 readings1 assignment

2 videos•Total 3 minutes
  • bashrs purify Workflow•2 minutes
  • Idempotency at the Right Layer•1 minute
4 readings•Total 40 minutes
  • Key Terms: bashrs purify Workflow•10 minutes
  • Reflection: bashrs purify Workflow•10 minutes
  • Key Terms: Idempotency at the Right Layer•10 minutes
  • Reflection: Idempotency at the Right Layer•10 minutes
1 assignment•Total 30 minutes
  • Practice Quiz: Purification and Idempotency•30 minutes

Use bashrs build to author install and bootstrap scripts in a constrained Rust subset and emit POSIX shell that runs identically across sh, dash, ash, and bash. Master the intrinsics, the determinism contract, and the cross-shell CI matrix that proves portability.

What's included

2 videos4 readings1 assignment

2 videos•Total 3 minutes
  • Transpiler Subset — bashrs build•2 minutes
  • Cross-shell Test — One Source, Four Shells•1 minute
4 readings•Total 40 minutes
  • Key Terms: Transpiler Subset — bashrs build•10 minutes
  • Reflection: Transpiler Subset — bashrs build•10 minutes
  • Key Terms: Cross-shell Test — One Source, Four Shells•10 minutes
  • Reflection: Cross-shell Test — env_var_or / format!() / mkdir(p)•10 minutes
1 assignment•Total 30 minutes
  • Practice Quiz: Transpiling and Cross-shell•30 minutes

Move from spot-check tests to property-based testing and deterministic simulation. Use bashrs test to fuzz inputs and exercise idempotency invariants, then run the same script under a deterministic clock/PRNG harness to reproduce flakes. Lock in safe re-execution proofs before shipping.

What's included

2 videos5 readings2 assignments

2 videos•Total 3 minutes
  • bashrs in GitHub Actions — the Gate Aggregator•1 minute
  • Mutation Testing + Deterministic Simulation•2 minutes
5 readings•Total 50 minutes
  • Key Terms: bashrs in GitHub Actions — the Gate Aggregator•10 minutes
  • Reflection: bashrs in GitHub Actions — the gate Aggregator•10 minutes
  • Key Terms: Mutation Testing + Deterministic Simulation•10 minutes
  • Reflection: Mutation Testing and Deterministic Simulation•10 minutes
  • Before You Go•10 minutes
2 assignments•Total 60 minutes
  • Practice Quiz: CI Gates, Mutation Testing, Reproducible Deploys•30 minutes
  • Final Graded Quiz•30 minutes

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Instructor

Pragmatic AI Labs
61 Courses•6,684 learners

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