#!/bin/bash

if [ -z "$logfile" ]; then
  echo "logfile variable missing"
  exit 1
fi
if [ -z "$log_identifier" ]; then
  echo "log_identifier variable missing"
  exit 1
fi

log() {
  echo -e $@ | ts "[%Y-%m-%d %H:%M:%S] [$log_identifier]" >> $logfile
}

log_echo() {
  log $@
  echo -e "[$log_identifier] $@"
}