bbox --version (return code: 0)
bbox: bbox Version $Rev: 139 $
bbox --help (return code: 0)
bbox: Version $Rev: 139 $ usage: bbox [-l] [-r resolution] [-V] [filename] -l: loose bounding box (bbox is expanded by 1 point) -r: resolution of picture in dpi -V: version information -h: this help bbox reads a rawppm or rawpbm file and prints out the bounding box of the image. If no filename is specified input is read from standard input.