Run test -f scripts/deploy.sh.
test -f scripts/deploy.sh
Mission 264
Shell expanded checkpoint
Complete a script review from guards to logs.
Shell scriptingtestgrepteestat
Lesson 264 of 360
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Shell scripting · 8 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
8 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run grep "set -eu" scripts/deploy.sh.
grep "set -eu" scripts/deploy.sh
Run printf shell-expanded | tee lab/shell-expanded.txt.
printf shell-expanded | tee lab/shell-expanded.txt
Run stat lab/shell-expanded.txt.
stat lab/shell-expanded.txt
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Lesson support
What to notice while you play.
Complete a script review from guards to logs.
Run the commands in order and compare the outputs.
Junior operators build confidence by gathering evidence before changing systems.
- Skipping the inspection step.
- Assuming one command tells the whole story.
Reference
Commands in this lesson.
grep [-i] <text> <file>
Find literal text inside a file.
tee <file>
Write piped text to a lab file and keep it on screen.
test -e|-f|-d <path>
Check path type in a training-friendly way.
stat <path>
Show lab file details.