cat

cat command

This is a simplified implementation of the cat command in the Go programming language.

Features

• Basic File Output: Prints the contents of files.
• Multiple File Support: Concatenates multiple files.
• Stdin Support: Reads from standard input if no file is provided.
• Line Numbering (-n): Displays line numbers before each line.

Installation

• Clone the repository:

git clone https://github.com/ashish0kumar/gonix.git

• Navigate to the cat subdirectory:

cd gonix/cat

• Build the Go program:

go build cat.go

Usage

• Basic File Output

  ./cat file.txt

  Prints the contents of file.txt

• Concatenate Multiple Files

  ./cat file1.txt file2.txt

  Displays contents of both files sequentially.

• Read from Stdin

  echo "Hello, World!" | ./cat

  Prints Hello, World! from standard input.

• Line Numbering (-n)

  ./cat -n file.txt

  Displays each line with its corresponding line number.