set -euo pipefail

main() function

main "$@" invocation

log_info function

log_error to stderr

Color variables

trap cleanup EXIT

Default argument syntax

Shebang line

SCRIPT_DIR pattern

command -v for tool check

Redirects command -v output

SCRIPT_DIR for portability

Glob loop over .env files

IFS= read -r line pattern

Color variables defined

Error output to stderr

set -euo pipefail or equivalent

Non-zero exit on failure

validation_output.txt present

Uses awk for field extraction

Uses cut for field splitting

sort | uniq -c pattern

sort for ranking

grep for filtering

wc for counting

Pipe chaining

&& for sequential steps

report.txt produced

Correct top IP result