print alternating lines in different colors.

colorize -color "foregroundColor+attributes:backgroundColor+attributes" -alt=false

Format all lines:

cat file | colorize -color "red:yellow"

Format alternating lines:

cat file | colorize -color "reg:yellow" -alt

-alt : Alternate lines are colored

-color :

• black
• red
• green
• yellow
• blue
• magenta
• cyan
• white
• 0...255 (256 colors)

• b = bold foreground

• B = Blink foreground

• u = underline foreground

• i = inverse

• h = high intensity (bright) foreground, background

  does not work with 256 colors