Description:

SLOCCount (pronounced "sloc-count") is a suite of programs for
counting physical source lines of code (SLOC) in potentially large
software systems (thus, SLOCCount is a "software metrics tool" or
"software measurement tool"). SLOCCount can count physical SLOC for a
wide number of languages; listed alphabetically, they are: Ada,
Assembly, awk, Bourne shell, C, C++, C shell, COBOL, Expect, Fortran,
Java, lex/flex, LISP (including Scheme), ML (including OCaml),
Modula-3, Objective-C, Pascal, Perl, PHP, Python, sed, Tcl, and Yacc.
SLOCCount can automatically determine if a file is a source code file
or not, and if so, which language it's written in. As a result, you
can analyze large systems completely automatically; it's been used to
examine entire GNU/Linux distributions, for example. SLOCCount also
includes some report-generating tools to collect the data generated
and present it in several different formats. Normally you can just run
"sloccount DIRECTORY" and all the source code in the directory and its
descendants will be counted.