---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# ppmspread

> Displace the pixels in a PPM image by a randomized amount.
> More information: <https://netpbm.sourceforge.net/doc/ppmspread.html>.

- Displace the pixels in a PPM image by a randomized amount that is at most a:

`ppmspread {{a}} {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}`

- Specify a seed to a the pseudo-random number generator:

`ppmspread {{a}} {{path/to/input_file.ppm}} -randomseed {{seed}} > {{path/to/output_file.ppm}}`
