Features of C ‘cat’ Command Program
This program will implement 3 functionalities of the ‘cat’ command. There are:
- Viewing the contents of the file.
- Writing the content to a file.
- Concatenating two files.
Build Your Own ‘cat’ Command in C for Linux
You may have heard about cat command which is a Linux command. It stands for concatenate and plays an important role in Unix-like operating systems by helping to concatenate and display file contents. Despite the simple name, cat does a lot of work and goes beyond just putting those files together. This allows users to easily create, view, and merge multiple files, making data management much easier.
Additionally, its ability to redirect output to other commands or files gives it great importance in shell scripting and command-line tasks.
In this article, we’ll explore the inner workings of the ‘cat’ command by creating our version with C which is capable of viewing the content of the file, writing the content to the file, and also concatenating two files.
Prerequisite: File I/O in C, Command-Line Argument in C