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| $ cloc --help
Usage: cloc [options] <file(s)/dir(s)> | <set 1> <set 2> | <report files>
Count, or compute differences of, physical lines of source code in the
given files (may be archives such as compressed tarballs or zip files)
and/or recursively below the given directories.
Input Options
--extract-with=<cmd> This option is only needed if cloc is unable
to figure out how to extract the contents of
the input file(s) by itself.
Use <cmd> to extract binary archive files (e.g.:
.tar.gz, .zip, .Z). Use the literal '>FILE<' as
a stand-in for the actual file(s) to be
extracted. For example, to count lines of code
in the input files
gcc-4.2.tar.gz perl-5.8.8.tar.gz
on Unix use
--extract-with='gzip -dc >FILE< | tar xf -'
or, if you have GNU tar,
--extract-with='tar zxf >FILE<'
and on Windows use, for example:
--extract-with="\"c:\Program Files\WinZip\WinZip32.exe\" -e -o >FILE< ."
(if WinZip is installed there).
--list-file=<file> Take the list of file and/or directory names to
process from <file> which has one file/directory
name per line. See also --exclude-list-file.
--unicode Check binary files to see if they contain Unicode
expanded ASCII text. This causes performance to
drop noticably.
Processing Options
--autoconf Count .in files (as processed by GNU autoconf) of
recognized languages.
--by-file Report results for every source file encountered.
--by-file-by-lang Report results for every source file encountered
in addition to reporting by language.
--diff <set1> <set2> Compute differences in code and comments between
source file(s) of <set1> and <set2>. The inputs
may be pairs of files, directories, or archives.
Use --diff-alignment to generate a list showing
which file pairs where compared. See also
--ignore-case, --ignore-whitespace.
--diff-timeout <N> Ignore files which take more than <N> seconds
to process. Default is 10 seconds.
(Large files with many repeated lines can cause
Algorithm::Diff::sdiff() to take hours.)
--follow-links [Unix only] Follow symbolic links to directories
(sym links to files are always followed).
--force-lang=<lang>[,<ext>]
Process all files that have a <ext> extension
with the counter for language <lang>. For
example, to count all .f files with the
Fortran 90 counter (which expects files to
end with .f90) instead of the default Fortran 77
counter, use
--force-lang="Fortran 90",f
If <ext> is omitted, every file will be counted
with the <lang> counter. This option can be
specified multiple times (but that is only
useful when <ext> is given each time).
See also --script-lang, --lang-no-ext.
--force-lang-def=<file> Load language processing filters from <file>,
then use these filters instead of the built-in
filters. Note: languages which map to the same
file extension (for example:
MATLAB/Objective C/MUMPS; Pascal/PHP;
Lisp/OpenCL) will be ignored as these require
additional processing that is not expressed in
language definition files. Use --read-lang-def
to define new language filters without replacing
built-in filters (see also --write-lang-def).
--ignore-whitespace Ignore horizontal white space when comparing files
with --diff. See also --ignore-case.
--ignore-case Ignore changes in case; consider upper- and lower-
case letters equivalent when comparing files with
--diff. See also --ignore-whitespace.
--lang-no-ext=<lang> Count files without extensions using the <lang>
counter. This option overrides internal logic
for files without extensions (where such files
are checked against known scripting languages
by examining the first line for #!). See also
--force-lang, --script-lang.
--read-binary-files Process binary files in addition to text files.
This is usually a bad idea and should only be
attempted with text files that have embedded
binary data.
--read-lang-def=<file> Load new language processing filters from <file>
and merge them with those already known to cloc.
If <file> defines a language cloc already knows
about, cloc's definition will take precedence.
Use --force-lang-def to over-ride cloc's
definitions (see also --write-lang-def ).
--script-lang=<lang>,<s> Process all files that invoke <s> as a #!
scripting language with the counter for language
<lang>. For example, files that begin with
#!/usr/local/bin/perl5.8.8
will be counted with the Perl counter by using
--script-lang=Perl,perl5.8.8
The language name is case insensitive but the
name of the script language executable, <s>,
must have the right case. This option can be
specified multiple times. See also --force-lang,
--lang-no-ext.
--sdir=<dir> Use <dir> as the scratch directory instead of
letting File::Temp chose the location. Files
written to this location are not removed at
the end of the run (as they are with File::Temp).
--skip-uniqueness Skip the file uniqueness check. This will give
a performance boost at the expense of counting
files with identical contents multiple times
(if such duplicates exist).
--stdin-name=<file> Give a file name to use to determine the language
for standard input.
--strip-comments=<ext> For each file processed, write to the current
directory a version of the file which has blank
lines and comments removed. The name of each
stripped file is the original file name with
.<ext> appended to it. It is written to the
current directory unless --original-dir is on.
--original-dir [Only effective in combination with
--strip-comments] Write the stripped files
to the same directory as the original files.
--sum-reports Input arguments are report files previously
created with the --report-file option. Makes
a cumulative set of results containing the
sum of data from the individual report files.
--unix Override the operating system autodetection
logic and run in UNIX mode. See also
--windows, --show-os.
--windows Override the operating system autodetection
logic and run in Microsoft Windows mode.
See also --unix, --show-os.
Filter Options
--exclude-dir=<D1>[,D2,] Exclude the given comma separated directories
D1, D2, D3, et cetera, from being scanned. For
example --exclude-dir=.cache,test will skip
all files that have /.cache/ or /test/ as part
of their path.
Directories named .bzr, .cvs, .hg, .git, and
.svn are always excluded.
--exclude-ext=<ext1>[,<ext2>[...]]
Do not count files having the given file name
extensions.
--exclude-lang=<L1>[,L2,] Exclude the given comma separated languages
L1, L2, L3, et cetera, from being counted.
--exclude-list-file=<file> Ignore files and/or directories whose names
appear in <file>. <file> should have one entry
per line. Relative path names will be resolved
starting from the directory where cloc is
invoked. See also --list-file.
--match-d=<regex> Only count files in directories matching the Perl
regex. For example
--match-d='/(src|include)/'
only counts files in directories containing
/src/ or /include/.
--not-match-d=<regex> Count all files except those in directories
matching the Perl regex.
--match-f=<regex> Only count files whose basenames match the Perl
regex. For example
--match-f='^[Ww]idget'
only counts files that start with Widget or widget.
--not-match-f=<regex> Count all files except those whose basenames
match the Perl regex.
--skip-archive=<regex> Ignore files that end with the given Perl regular
expression. For example, if given
--skip-archive='(zip|tar(.(gz|Z|bz2|xz|7z))?)'
the code will skip files that end with .zip,
.tar, .tar.gz, .tar.Z, .tar.bz2, .tar.xz, and
.tar.7z.
--skip-win-hidden On Windows, ignore hidden files.
Debug Options
--categorized=<file> Save names of categorized files to <file>.
--counted=<file> Save names of processed source files to <file>.
--diff-alignment=<file> Write to <file> a list of files and file pairs
showing which files were added, removed, and/or
compared during a run with --diff. This switch
forces the --diff mode on.
--help Print this usage information and exit.
--found=<file> Save names of every file found to <file>.
--ignored=<file> Save names of ignored files and the reason they
were ignored to <file>.
--print-filter-stages Print to STDOUT processed source code before and
after each filter is applied.
--show-ext[=<ext>] Print information about all known (or just the
given) file extensions and exit.
--show-lang[=<lang>] Print information about all known (or just the
given) languages and exit.
--show-os Print the value of the operating system mode
and exit. See also --unix, --windows.
-v[=<n>] Verbose switch (optional numeric value).
--version Print the version of this program and exit.
--write-lang-def=<file> Writes to <file> the language processing filters
then exits. Useful as a first step to creating
custom language definitions (see also
--force-lang-def, --read-lang-def).
Output Options
--3 Print third-generation language output.
(This option can cause report summation to fail
if some reports were produced with this option
while others were produced without it.)
--progress-rate=<n> Show progress update after every <n> files are
processed (default <n>=100). Set <n> to 0 to
suppress progress output (useful when redirecting
output to STDOUT).
--quiet Suppress all information messages except for
the final report.
--report-file=<file> Write the results to <file> instead of STDOUT.
--out=<file> Synonym for --report-file=<file>.
--csv Write the results as comma separated values.
--csv-delimiter=<C> Use the character <C> as the delimiter for comma
separated files instead of ,. This switch forces
--csv to be on.
--sql=<file> Write results as SQL create and insert statements
which can be read by a database program such as
SQLite. If <file> is -, output is sent to STDOUT.
--sql-project=<name> Use <name> as the project identifier for the
current run. Only valid with the --sql option.
--sql-append Append SQL insert statements to the file specified
by --sql and do not generate table creation
statements. Only valid with the --sql option.
--sum-one For plain text reports, show the SUM: output line
even if only one input file is processed.
--xml Write the results in XML.
--xsl=<file> Reference <file> as an XSL stylesheet within
the XML output. If <file> is 1 (numeric one),
writes a default stylesheet, cloc.xsl (or
cloc-diff.xsl if --diff is also given).
This switch forces --xml on.
--yaml Write the results in YAML.
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