pamfix
Fix errors in PAM, PBM, PGM and PPM files.
TLDR
Fix a Netpbm file that is missing its last part
$ pamfix -truncate [path/to/corrupted.ext] > [path/to/output.ext]
Fix a Netpbm file where pixel values exceed the image's maxval by lowering the offending pixels' values
$ pamfix -clip [path/to/corrupted.ext] > [path/to/output.ext]
Fix a Netpbm file where pixel values exceed the image's maxval by increasing it
$ pamfix -changemaxval [path/to/corrupted.pam|pbm|pgm|ppm] > [path/to/output.pam|pbm|pgm|ppm]
