tldr/pages/common/ppmntsc.md

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# ppmntsc
> Make the RGB colors in a PPM image compatible with NTSC or PAL color systems.
> More information: <https://netpbm.sourceforge.net/doc/ppmntsc.html>.
- Make the RGB colors in a PPM image compatible with NTSC color systems:
`ppmntsc {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}`
- Make the RGB colors in a PPM image compatible with PAL color systems:
`ppmntsc --pal {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}`
- Print the number of illegal pixels in the input image to `stderr`:
`ppmntsc --verbose {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}`
- Output only legal/illegal/corrected pixels, set other pixels to black:
`ppmntsc --{{legalonly|illegalonly|correctedonly}} {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}`