https://github.com/moheladwy/command-line-interpreter
a Command Line Interpreter (CLI) for your operating system.
https://github.com/moheladwy/command-line-interpreter
cli cmd java linux
Last synced: 3 months ago
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a Command Line Interpreter (CLI) for your operating system.
- Host: GitHub
- URL: https://github.com/moheladwy/command-line-interpreter
- Owner: moheladwy
- License: mit
- Created: 2023-10-25T04:45:05.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-01-12T18:24:16.000Z (over 1 year ago)
- Last Synced: 2025-01-12T19:32:00.981Z (4 months ago)
- Topics: cli, cmd, java, linux
- Language: Java
- Homepage:
- Size: 73.2 KB
- Stars: 0
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# Terminal Command Interpreter
This Java program implements a simple terminal command interpreter. It provides a set of basic commands similar to those found in a Unix-like shell. Users can interact with the program by entering commands, and the program will execute the corresponding actions.
## Features
- **Basic Commands**: Supports basic file and directory manipulation commands such as `pwd`, `ls`, `cd`, `cat`, `echo`, `mkdir`, `rmdir`, `rm`, `touch`, `cp`, `cp_r`, `wc`, and `history`.
- **Command History**: Keeps track of the command history, allowing users to view previously executed commands.
- **Redirection**: Supports output redirection using `>` and `>>` operators.
## Usage
1. **Compile**: Compile the Java program using a Java compiler (e.g., `javac Terminal.java`).
2. **Run**: Execute the compiled program (e.g., `java Terminal`).
3. **Enter Commands**: Enter commands at the prompt, and the program will execute the corresponding actions.
4. **Exit**: To exit the program, enter the command `exit`.
## Commands
- `pwd`: Print the current working directory.
- `ls [-r]`: List files and directories in the current directory. The optional `-r` flag reverses the order.
- `cd [directory]`: Change the current working directory. If no directory is provided, it goes to the home directory.
- `cat [file1] [file2] ...`: Concatenate and display the content of one or more files.
- `echo [text] [> or >> file]`: Display text or redirect it to a file. Use `>` to overwrite or `>>` to append.
- `mkdir [directory1] [directory2] ...`: Create one or more directories.
- `rmdir [directory]`: Remove an empty directory.
- `rm [file]`: Remove a file.
- `touch [file]`: Create an empty file.
- `cp [source] [destination]`: Copy a file or directory to another location.
- `cp_r [source] [destination]`: Recursively copy a directory and its contents to another location.
- `wc [file]`: Count the number of lines, words, and characters in a file.
- `history`: Display the command history.
## Redirection
- Use `>` to redirect output to a file, overwriting its content.
- Use `>>` to redirect output to a file, appending to its content.
## Notes
- The program supports both absolute and relative paths.
- The program handles exceptions such as invalid commands, file not found, and other relevant errors.
## Example Usage
```bash
$ java Terminal
/home/user: ls
file1.txt file2.txt
/home/user: cat file1.txt
Contents of file1.txt
...
/home/user: echo "Hello, World!" > output.txt
/home/user: cat output.txt
Hello, World!
/home/user: exit
```
Feel free to explore and experiment with the provided commands.