Pretty errors function

pretty_error.sh

#!/bin/bash
# Print pretty errors
# Usage: pretty_error <type> <message> <name>

pretty_error()
{
  # Text colors
  COLOR_NONE='\033[0m'
  COLOR_RED='\033[0;31m'
  COLOR_GREEN='\033[0;32m'
  COLOR_YELLOW='\033[0;33m'

  # Flow control variables
  fatal=0

  case "${1}" in
    error)
      COLOR=$COLOR_RED
      fatal=1
    ;;
    success)
      COLOR=$COLOR_GREEN
    ;;
    message)
      COLOR=$COLOR_YELLOW
    ;;
    *)
      COLOR=$COLOR_NONE
    esac

    name="${3:-SCRIPT}"
    message="${2}"

    printf "[$name] ${COLOR}%s${COLOR_NONE}\n" "$message"

    if [ $fatal -eq 1 ]; then
      exit 1
    fi
}

pretty_error "$@"