Dummy script for startup

startup.sh

#!/bin/bash

if [ $# -ne 2 ]; then
  echo "Usage: $0 <application> <N>"
  exit 1
fi

application="$1"
N="$2"

# Initialize an array to store startup times
startup_times=()

TMPFILE=$(mktemp)
echo "Saving stdout to $TMPFILE"

for ((i=1; i<=N; i++)); do
  echo "Starting instance $i..."
  
  # Start the application in the background and capture its PID
  $application >> $TMPFILE &

  # Capture the PID of the background process
  app_pid=$!

  # Wait for the startup message
  while true; do
    sleep 1
    if grep -oE 'started in [0-9]+\.[0-9]+s\.' "$TMPFILE" | awk '{print $3}' | sed 's/s.$//'; then
      startup_time=$(grep -oE 'started in [0-9]+\.[0-9]+s\.' "$TMPFILE" | awk '{print $3}' | sed 's/s.$//')
      startup_times+=("$startup_time")
      break
    fi    
  done

  # Wait for "Installed features" message and send SIGTERM
  while true; do
    if grep -oE "Installed features:" "$TMPFILE"; then
      break
    fi
    sleep 0.1
  done
  
  # Send SIGTERM to the application
  kill -SIGTERM "$app_pid"
  
  # Wait for the process to exit
  wait "$app_pid"
done

rm -y $TMPFILE

total=1
echo "RESULTS OF THE RUNS"
for str in ${startup_times[@]}; do
  echo $str
done