Split a multi-image Netpbm file into multiple single-image Netpbm files. See also: pamfile, pampick, pamexec. More information: https://netpbm.sourceforge.net/doc/pamsplit.html.
pamfile
pampick
pamexec
pamsplit path/to/image.pam
pamsplit path/to/image.pam file_%d.pam