pipe_usage_console_output.sh

#!/usr/bin/env bash

set -ex

PWD=$(pwd)
mkfifo /tmp/servicelogs.pipe || echo "pipe already exists"
runningPIDs=()


exitfn () {
    #trap SIGINT              # Restore signal handling for SIGINT
    echo; echo 'Stopping services'

    for theId in ${runningPIDs[@]}; do
      echo "killing ${theId}"
      kill "$theId" || echo "no such process maybe"
    done

    exit                     #   then exit script.
}

trap "exitfn" INT

SERVICE_PREFIX="service-"
declare -a arr=("multiple" "folders" "to" "watch" "logs" "from")

for i in "${arr[@]}"
do
  if [ -z $SERVICE ] || [ "$SERVICE" = "$i" ] || [ "$SERVICE" = "" ]; then
     cd ../${SERVICE_PREFIX}$i
     go run "./cmd/$i/main.go" 2>&1 > /tmp/servicelogs.pipe &
     echo "$i started with pid $!"
     runningPIDs+=($!)
  fi
done


tail -f /tmp/servicelogs.pipe