Color snippets for Bash scripts

color_snippets.sh

# ==============================================================================
# Color snippets
# Bashly, https://github.com/DannyBen/bashly
# Licensed under the MIT License (MIT)
# 
# Copyright (c) Danny Ben Shitrit
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

print_in_color() {
  local color="$1"
  shift
  if [[ -z ${NO_COLOR+x} ]]; then
    printf "$color%b\e[0m\n" "$*"
  else
    printf "%b\n" "$*"
  fi
}

red() { print_in_color "\e[31m" "$*"; }
green() { print_in_color "\e[32m" "$*"; }
yellow() { print_in_color "\e[33m" "$*"; }
blue() { print_in_color "\e[34m" "$*"; }
magenta() { print_in_color "\e[35m" "$*"; }
cyan() { print_in_color "\e[36m" "$*"; }
bold() { print_in_color "\e[1m" "$*"; }
underlined() { print_in_color "\e[4m" "$*"; }
red_bold() { print_in_color "\e[1;31m" "$*"; }
green_bold() { print_in_color "\e[1;32m" "$*"; }
yellow_bold() { print_in_color "\e[1;33m" "$*"; }
blue_bold() { print_in_color "\e[1;34m" "$*"; }
magenta_bold() { print_in_color "\e[1;35m" "$*"; }
cyan_bold() { print_in_color "\e[1;36m" "$*"; }
red_underlined() { print_in_color "\e[4;31m" "$*"; }
green_underlined() { print_in_color "\e[4;32m" "$*"; }
yellow_underlined() { print_in_color "\e[4;33m" "$*"; }
blue_underlined() { print_in_color "\e[4;34m" "$*"; }
magenta_underlined() { print_in_color "\e[4;35m" "$*"; }
cyan_underlined() { print_in_color "\e[4;36m" "$*"; }

# END: Color snippets
# ==============================================================================

debug() {
  if [[ "$DEBUG" == true ]]; then
    echo "$*"
  fi
}

errexit() {
  if [[ $# -gt 0 ]]; then
    red "$1"
  fi
  exit 1
}