Array Comprehension Simulation - Bash Typing CST Test
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Array Comprehension Simulation — Bash Code
Create array of squares for even numbers.
numbers=(1 2 3 4 5 6 7 8 9 10)
squares=()
for n in "${numbers[@]}"; do
if [ $((n % 2)) -eq 0 ]; then
squares+=( $((n * n)) )
fi
done
echo "${squares[@]}"Bash Language Guide
Bash (Bourne Again SHell) is a Unix shell and command language widely used for automation, scripting, DevOps, system administration, and shell-based application workflows. It is the default shell on most Linux systems and offers powerful command-line capabilities.
Primary Use Cases
- ▸System automation
- ▸Server maintenance scripts
- ▸DevOps & CI/CD pipelines
- ▸File management & text processing
- ▸Docker and container orchestration
- ▸Environment setup
- ▸Scheduling cronjobs
Notable Features
- ▸Unix pipelines
- ▸Command substitution
- ▸Scripting with loops & conditionals
- ▸Environment variable management
- ▸Job control & process management
Origin & Creator
Created by Brian Fox at the Free Software Foundation in 1989 as a free replacement for the Bourne Shell (sh).
Industrial Note
Bash excels in environments requiring quick system automation, CI/CD pipelines, container orchestration scripts, server automation, cloud provisioning scripts, and Unix-level glue code that ties together native tools.