Strict mode present

ERR trap

EXIT trap with cleanup

mktemp for temp dir

Required var validation

Variables quoted

Command substitution style

Double-bracket conditionals

No root requirement

Error messages to stderr

Shebang line

Strict mode present

while/case arg parsing

Short and long flags

usage() function

Dry-run wrapper

DRY_RUN default value

Structured logging functions

Logging to stderr

Dependency check function

Uses command -v

Missing required arg error

Strict mode present

NUL-safe find iteration

Atomic report write

Idempotent skip logic

Double-bracket conditionals

Function naming prefix

local -r variables

Array usage

Variables consistently quoted

EXIT trap cleanup

Rerun safety demonstrated