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Master ShellCheck static analysis configuration and usage for shell script quality.
Passed 21 of 23 test cases with the skill, and 17 of 23 without it.
and 2 more in the full report
5 fixed16 passed either way1 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.
When sourcing an external script `helper.sh` in the same directory, ShellCheck warns that it cannot locate the file. What directive should be added above `source helper.sh` to inform ShellCheck of the relative location?
| Checked | Without skill | With skill |
|---|---|---|
| Uses # shellcheck source=./helper.sh above the source statement | Missed | Passed |
The instructions your model reads when the skill loads.
Comprehensive guidance for configuring and using ShellCheck to improve shell script quality, catch common pitfalls, and enforce best practices through static code analysis.
ShellCheck is a static analysis tool that analyzes shell scripts and detects problematic patterns. It supports:
# macOS with Homebrew
brew install shellcheck
# Ubuntu/Debian
apt-get install shellcheck
# From source
git clone https://github.com/koalaman/shellcheck.git
cd shellcheck
make build
make install
test cases passed, vs 17 / 23 without
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