pamtopng
Convert a PAM image to PNG.
TLDR
Convert the specified PAM image to PNG
$ pamtopng [path/to/image.pam] > [path/to/output.png]
Mark the specified color as transparent in the output image
$ pamtopng -transparent [color] [path/to/image.pam] > [path/to/output.png]
Include the text in the specified file as tEXt chunks in the output
$ pamtopng -text [path/to/file.txt] [path/to/image.pam] > [path/to/output.png]
Cause the output file to be interlaced in Adam7 format
$ pamtopng -interlace [path/to/image.pam] > [path/to/output.png]