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CLOC (Count Lines of Code) Tool

CLOC (Count Lines of Code) is a popular tool used to count lines of code in various programming languages. It provides a detailed breakdown of source code, comments, and blank lines. Here's how you can use it:


Installing CLOC

First, you need to install CLOC. You can install it using various methods, depending on your operating system.

Using apt on Debian/Ubuntu:

sudo apt-get install cloc

Using brew on macOS:

brew install cloc

Using chocolatey on Windows:

choco install cloc

Using npm (Node.js package manager):

npm install -g cloc


Using CLOC

Once installed, you can use CLOC to analyze a directory or file. Here are some common commands:

Analyzing a Directory

To count lines of code in a directory, run:

cloc /path/to/your/project

Analyzing a Single File

To count lines of code in a single file, run:

cloc /path/to/your/file

Analyzing Multiple Files

You can also specify multiple files:

cloc file1.py file2.js file3.cpp

Excluding Files or Directories

To exclude certain files or directories, use the --exclude-dir option:

cloc /path/to/your/project --exclude-dir=test,docs

Example Output

Here is an example of the output from running cloc on a project directory:

-------------------------------------------------------------------------------

Language                     files          blank        comment           code

-------------------------------------------------------------------------------

Python                           5            120             45            678

JavaScript                       3             50             20            300

CSS                              1             30             10            200

HTML                             2             25             15            150

-------------------------------------------------------------------------------

SUM:                            11            225             90           1328

-------------------------------------------------------------------------------

Integrating CLOC in Scripts

You can also integrate CLOC into your scripts for automated reporting. For example, a simple Bash script to run CLOC on a project and save the output to a file could look like this:

#!/bin/bash

# Path to your project

PROJECT_PATH="/path/to/your/project"

# Run cloc and save the output

cloc $PROJECT_PATH > cloc_report.txt

# Print a message

echo "CLOC report saved to cloc_report.txt"

This allows you to automate the process of counting lines of code and generate reports periodically or as part of a CI/CD pipeline.

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