log stuff with info and error convenience methods

logger.sh

#!/bin/bash

#####log stuff with info and error convenience methods
readonly log='/var/log/my_log_file.log'
if [ ! -f "$log" ];then #attempt to create log file
  touch $log
  if [ ! -f "$log_file" ];then #log file still not there (permissions?)
    echo "Could not create a log file at ${log}"
    exit 1
  fi
fi
info(){
    echo "`date`:INFO: ${1}" >>$log
}
error(){
  echo "`date`:ERROR: ${1}" >>$log
}