tldr/pages/common/ppmrainbow.md

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# ppmrainbow
> Generate a rainbow.
> More information: <https://netpbm.sourceforge.net/doc/ppmrainbow.html>.
- Generate a rainbow consisting of the specified colors:
`ppmrainbow {{color1 color2 ...}} > {{path/to/output_file.ppm}}`
- Specify the size of the output in pixels:
`ppmrainbow -width {{width}} -height {{height}} {{color1 color2 ...}} > {{path/to/output_file.ppm}}`
- End the rainbow with the last color specified, do not repeat the first color:
`ppmrainbow -norepeat {{color1 color2 ...}} > {{path/to/output_file.ppm}}`