pdiff --version (return code: 0)
pdiff 0.4 (GNU a2ps 4.14)
Written by Akim Demaille.
Copyright (c) 1997-1999 Akim Demaille, Miguel Santana
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
pdiff --help (return code: 0)
Usage: pdiff FILE1 FILE2 [-- A2PS-OPTIONS...]
Pretty print the differences between FILE1 and FILE2.
Options:
-h, --help display this help and exit
-v, --version display version information and exit
-q, --quiet don't print informational messages
-l, --lines search for line differences (`diff')
-w, --words search for word differences (`wdiff')
-o, --output=FILE save the output in FILE
Options for a2ps are given after `--', for instance
$ pdiff COPYING COPYING.LIB -- -Pdisplay
News, updates and documentation: http://www.inf.enst.fr/~demaille/a2ps/.
Report bugs to <bug-a2ps@gnu.org>.