texfont --help (return code: 0)
TeXFont 2.2.1 - ConTeXt / PRAGMA ADE 2000-2004
--fontroot=path : texmf destination font root (default: /usr/local/share/texmf)
--rootlist=paths : texmf source roots (default: TEXMFFONTS,TEXMFLOCAL,TEXMFEXTRA,TEXMFMAIN,TEXMFDIST)
--sourcepath=path : when installing, copy from this path (default: .)
--sourcepath=auto : locate and use vendor/collection
--vendor=name : vendor name/directory
--collection=name : font collection
--encoding=name : encoding vector (default: texnansi)
--variant=name : encoding variant (.enc file or otftotfm features)
--spaced=s : space glyphs in font by promille of em (0 - 1000)
--slant=s : slant glyphs in font by factor (0.0 - 1.5)
--extend=s : extend glyphs in font by factor (0.0 - 1.5)
--caps=s : capitalize lowercase chars by factor (0.5 - 1.0)
--noligs --nofligs : remove ligatures
--install : copy files from source to font tree
--listing : list files on auto sourcepath
--remove : remove files on auto sourcepath
--makepath : when needed, create the paths
--test : use test paths for vendor/collection
--show : run tex on texfont.tex
--batch : process given batch file
--weight : multiple master weight
--width : multiple master width
--expert : also handle expert fonts
--afmpl : use afm2pl instead of afm2tfm
--preproc : pre-process ttf/otf, converting them to pfb
--lcdf : use lcdf fonttools to create virtual encoding