To print a colored full-width bar on the bash, use this bash script expression:

echo -e '\033[37;44m\nHEADING\033[0m\nLorem ipsum ...'

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In Ruby:

  puts "\033[37;44m\n #{text}\033[0m" # blue bar

Notes: -e turns on escape character interpretation for echo. See this card for details on bash formatting.

The line above will print: