ctangle --version (return code: 0)
CTANGLE 3.64 (TeX Live 2015/Debian)
kpathsea version 6.2.1
Copyright 2015 Silvio Levy and Donald E. Knuth.
There is NO warranty. Redistribution of this software is
covered by the terms of both the CTANGLE copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the CTANGLE source.
Primary author of CTANGLE: Silvio Levy and Donald E. Knuth.
ctangle --help (return code: 0)
Usage: ctangle [OPTIONS] WEBFILE[.w] [{CHANGEFILE[.ch]|-} [OUTFILE[.c]]]
Tangle WEBFILE with CHANGEFILE into a C/C++ program.
Default CHANGEFILE is /dev/null;
C output goes to the basename of WEBFILE extended with `.c'
unless otherwise specified by OUTFILE; in this case, '-' specifies
a null CHANGEFILE.
-b suppress banner line on terminal
-h suppress success message on completion
-p suppress progress report messages
+s print usage statistics
--help display this help and exit
--version output version information and exit
Email bug reports to tex-k@tug.org.