#!/usr/bin/env bash
# Separate output files for each background task

task() {
    local label=$1
    local seconds=$2

    printf '%s: starting\n' "$label"
    sleep "$seconds"
    printf '%s: finished\n' "$label"
}

task alpha 2 > alpha.log 2>&1 &
pid_alpha=$!

task beta 1 > beta.log 2>&1 &
pid_beta=$!