repeat_command

#!/bin/bash

# Default values
OUTPUT_FILE=~/tmp/repeated.log
MAX_REPEAT=100
INTERVAL=600 # 10 minutes in seconds

usage() {
  echo "Usage: $0 [OPTIONS] <command>"
  echo ""
  echo "Options:"
  echo "  --out=<file>      Set the output file to append results to (default: ~/tmp/amd.log)"
  echo "  -n=<count>        Set the number of times the command should be repeated (default: 100)"
  echo "  --interval=<secs> Set the interval between command executions in seconds (default: 600)"
  echo "  -h                Show this help message and exit"
  echo ""
  echo "Example:"
  echo "  $0 --out=\"/home/myself/docs/123.tmp\" -n=25 --interval=1000 \"history | grep 123\""
  echo "  $0 --out=\"/home/ilya/tmp/speedtest.log\" -n=100 --interval=300 \"speedtest-cli\""
}

# Parse options
while [ "$#" -gt 0 ]; do
  case "$1" in
    --out=*)
      OUTPUT_FILE="${1#*=}"
      shift
      ;;
    -n=*)
      MAX_REPEAT="${1#*=}"
      shift
      ;;
    --interval=*)
      INTERVAL="${1#*=}"
      shift
      ;;
    -h)
      usage
      exit 0
      ;;
    *)
      if [ -z "$COMMAND" ]; then
        COMMAND="$1"
        shift
      else
        echo "Error: Invalid option or too many arguments"
        echo ""
        usage
        exit 1
      fi
      ;;
  esac
done

# Check if the command is provided
if [ -z "$COMMAND" ]; then
  echo "Error: Missing command"
  echo ""
  usage
  exit 1
fi

# Create the output file directory if it doesn't exist
mkdir -p "$(dirname "$OUTPUT_FILE")"

# Run the command and append the result to the output file
COUNTER=0
while [ $COUNTER -lt $MAX_REPEAT ]; do
  echo -e "\n------ $(date) --- ITERATION ${COUNTER} --- COMMAND ${COMMAND} ------\n" | tee -a "$OUTPUT_FILE"
  eval "$COMMAND" | tee -a "$OUTPUT_FILE"
  sleep $INTERVAL
  COUNTER=$((COUNTER + 1))
done