parallel-batch-executor-1-always-set-a-default

name	parallel-batch-executor-1-always-set-a-default
description	Sub-skill of parallel-batch-executor: 1. Always Set a Default (+4).
version	1.0.0
category	_core
type	reference
scripts_exempt	true

1. Always Set a Default (+4)

1. Always Set a Default

PARALLEL="${PARALLEL:-5}"

2. Validate Input

[[ $PARALLEL -gt 0 ]] || die "Parallelism must be positive"
[[ $PARALLEL -le 50 ]] || log_warning "High parallelism may overwhelm system"

3. Handle Failures Gracefully

# Don't use set -e with xargs - it will mask failures
# Instead, track failures explicitly

4. Log Everything

# Create per-task logs for debugging
log_file="$LOG_DIR/task_$(date +%s)_$$.log"

5. Clean Up Resources

trap cleanup EXIT INT TERM