space_invaders.sh

#!/bin/sh

# ANSI Color -- use these variables to easily have different color
#    and format output. Make sure to output the reset sequence after
#    colors (f = foreground, b = background), and use the 'off'
#    feature for anything you turn on.

initializeANSI()
{
  esc=""

  blackf="${esc}[30m";   redf="${esc}[31m";    greenf="${esc}[32m"
  yellowf="${esc}[33m"   bluef="${esc}[34m";   purplef="${esc}[35m"
  cyanf="${esc}[36m";    whitef="${esc}[37m"

  blackb="${esc}[40m";   redb="${esc}[41m";    greenb="${esc}[42m"
  yellowb="${esc}[43m"   blueb="${esc}[44m";   purpleb="${esc}[45m"
  cyanb="${esc}[46m";    whiteb="${esc}[47m"

  boldon="${esc}[1m";    boldoff="${esc}[22m"
  italicson="${esc}[3m"; italicsoff="${esc}[23m"
  ulon="${esc}[4m";      uloff="${esc}[24m"
  invon="${esc}[7m";     invoff="${esc}[27m"

  reset="${esc}[0m"
}

# note in this first use that switching colors doesn't require a reset
# first - the new color overrides the old one.

initializeANSI

cat << EOF

   ${boldon}${redf}▀▄   ▄▀  ${reset}    ${boldon}${greenf}▄▄▄████▄▄▄ ${reset}   ${boldon}${yellowf}  ▄██▄  ${reset}     ${boldon}${bluef}▀▄   ▄▀  ${reset}    ${boldon}${purplef}▄▄▄████▄▄▄ ${reset}   ${boldon}${cyanf}  ▄██▄  ${reset}
  ${boldon}${redf}▄█▀███▀█▄ ${reset}   ${boldon}${greenf}███▀▀██▀▀███${reset}   ${boldon}${yellowf}▄█▀██▀█▄${reset}    ${boldon}${bluef}▄█▀███▀█▄ ${reset}   ${boldon}${purplef}███▀▀██▀▀███${reset}   ${boldon}${cyanf}▄█▀██▀█▄${reset}
 ${boldon}${redf}█▀███████▀█${reset}   ${boldon}${greenf}▀▀▀██▀▀██▀▀▀${reset}   ${boldon}${yellowf}▀▀█▀▀█▀▀${reset}   ${boldon}${bluef}█▀███████▀█${reset}   ${boldon}${purplef}▀▀▀██▀▀██▀▀▀${reset}   ${boldon}${cyanf}▀▀█▀▀█▀▀${reset}
 ${boldon}${redf}▀ ▀▄▄ ▄▄▀ ▀${reset}   ${boldon}${greenf}▄▄▀▀ ▀▀ ▀▀▄▄${reset}   ${boldon}${yellowf}▄▀▄▀▀▄▀▄${reset}   ${boldon}${bluef}▀ ▀▄▄ ▄▄▀ ▀${reset}   ${boldon}${purplef}▄▄▀▀ ▀▀ ▀▀▄▄${reset}   ${boldon}${cyanf}▄▀▄▀▀▄▀▄${reset}

   ${redf}▀▄   ▄▀  ${reset}    ${greenf}▄▄▄████▄▄▄ ${reset}   ${yellowf}  ▄██▄  ${reset}     ${bluef}▀▄   ▄▀  ${reset}    ${purplef}▄▄▄████▄▄▄ ${reset}   ${cyanf}  ▄██▄  ${reset}
  ${redf}▄█▀███▀█▄ ${reset}   ${greenf}███▀▀██▀▀███${reset}   ${yellowf}▄█▀██▀█▄${reset}    ${bluef}▄█▀███▀█▄ ${reset}   ${purplef}███▀▀██▀▀███${reset}   ${cyanf}▄█▀██▀█▄${reset}
 ${redf}█▀███████▀█${reset}   ${greenf}▀▀▀██▀▀██▀▀▀${reset}   ${yellowf}▀▀█▀▀█▀▀${reset}   ${bluef}█▀███████▀█${reset}   ${purplef}▀▀▀██▀▀██▀▀▀${reset}   ${cyanf}▀▀█▀▀█▀▀${reset}
 ${redf}▀ ▀▄▄ ▄▄▀ ▀${reset}   ${greenf}▄▄▀▀ ▀▀ ▀▀▄▄${reset}   ${yellowf}▄▀▄▀▀▄▀▄${reset}   ${bluef}▀ ▀▄▄ ▄▄▀ ▀${reset}   ${purplef}▄▄▀▀ ▀▀ ▀▀▄▄${reset}   ${cyanf}▄▀▄▀▀▄▀▄${reset}


                                     ${whitef}▌${reset}

                                   ${whitef}▌${reset}
                                   ${whitef}${reset}
                                  ${whitef}▄█▄${reset}
                              ${whitef}▄█████████▄${reset}
                              ${whitef}▀▀▀▀▀▀▀▀▀▀▀${reset}

EOF