funcs

#!/bin/bash
# Copyright (C) 2025 Robert A. Wallis, All Rights Reserved.

function trcut() {
  tr -s ' ' | cut -d ' ' "$@"
}

function killport() {
  port=${@:$#}
  if [ -z "$port" ]; then
    echo "usage: killport [args for kill] <tcp port>"
    echo "  kills whichever process is using the port"
    echo "  useful because grunt keeps node running"
    return 1
  fi
  pid=$(lsof -t -i tcp:$port)
  if [ -z "$pid" ]; then
    echo "port $port not in use"
    return 1
  fi
  # get rid of last param
  args=${@:1:$#-1}
  kill $args $pid
}

# simple load of .env as exported variables
function dotenv() {

  if [ $# -gt 1 ]; then
    echo "Usage: dotenv <file>"
    echo "   or: dotenv"
    echo "       to load the .env file"
    return 1
  fi

  local file
  if [ -f "$1" ]; then
    file="$1"
  else
    file=".env"
  fi

  if [ ! -f "$file" ]; then
    echo "File $file does not exist."
    return 1
  fi

  echo "sourcing $file"

  set -o allexport
  # set IFS internal file spacing to blank to capture blank spaces
  while IFS= read -r line; do
    if [[ "$line" == *=* ]]; then
      var_name="${line%%=*}"
      var_val="${line#*=}"
      echo "exporting $var_name"
      export "$var_name"="$var_val"
    fi
  done <"$file"
  set +o allexport
}