leaftoppm
converts Interleaf image format to PPM
TLDR
Convert Interleaf to PPM
$ leaftoppm [input.lf] > [output.ppm]
SYNOPSIS
leaftoppm [file]
DESCRIPTION
leaftoppm converts Interleaf image format to PPM. Interleaf was a document publishing system popular in the 1980s-90s. Part of Netpbm toolkit.