Go-Tail

A simple implementation of tail command from Linux in Go. It can be used to display the last few lines or bytes of a file. It supports reading multiple files concurrently and offer options to specify the number of lines or bytes to display.

Features

• Display the last n lines or c bytes of a file.
• Read multiple files concurrently.

Installation

1. Clone the repository:

   git clone [email protected]:agkmw/go-tail.git
   cd go-tail

2. Build the program:

   go build

• Build the program with different name (<filename>.exe on Windows):

  go build -o <filename>

3. Or install the executable to run it anywhere on your system:

   go install

Usage

./go-tail [OPTIONS] <filename>

Options

-n <number> : Display the last <number> of lines. -c <number> : Display the last <number> of bytes. +<number> : Display from the <number>th line or byte onward.

Examples

• Display the last 10 lines of a file (default):

   ./go-tail file.txt

• Display the last 20 lines of a file:

   ./go-tail -n 20 file.txt

• Display the last 50 bytes of a file:

   ./go-tail -c 50 file.txt

• Display from the 5th line onward:

   ./go-tail -n +5 file.txt

• Display multiple files:

   ./go-tail file.txt file2.txt file3.txt