Examples (3)
Generate a PGM image containing white noise
pbmnoise width height > path/to/output.pbmSpecify the seed for the pseudo-random number generator
pbmnoise width height -randomseed value > path/to/output.pbmSpecify the desired rate of white to black pixels
pbmnoise width height -ratio 1/3 > path/to/output.pbmmade by @shridhargupta | data from tldr-pages