Fix errors in PAM, PBM, PGM and PPM files. See also:
pamfile
,pamvalidate
. More information: https://netpbm.sourceforge.net/doc/pamfix.html.
pamfix -truncate path/to/corrupted.ext > path/to/output.ext
maxval
by lowering the offending pixels’ values:pamfix -clip path/to/corrupted.ext > path/to/output.ext
maxval
by increasing it:pamfix -changemaxval path/to/corrupted.pam|pbm|pgm|ppm > path/to/output.pam|pbm|pgm|ppm