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File I/O and Operating System Interaction

This series of tutorials is about file I/O and operation system interaction in Go.

1 How to read a whole file at once in Go

2 How to read a file line by line in Go

3 How to read a big file in chunks in Go

4 How to write/ append to a file in Go

5 How to write file using Bufio in Go

6 How to read and write JSON files in Go

7 How to read and parse XML files in Go

8 How to list all files and subfolders in a folder in Go

9 How to zip/ unzip a file or folder in Go

10 Go: How to get filename & extension from a path

11 Go: How to get the size of a file (in KB or mB)

12 How to delete one or multiple files in Go

13 How to check if a file or folder exist in Go

14 How to delete a folder and all of its contents in Go

15 How to get the current directory in Go

16 How to copy or move a file in Go

17 How to automatically generate unique file names in Go

18 How to resize images in Go

19 How to convert PNG or JPEG images to WEBP in Go

20 How to add watermark to an image in Go

21 How to programmatically upload files to AWS S3 using Go

22 How to auto upload files to Dropbox using Go

23 How to detect the current operating system in GO

24 How to get CPU & RAM info by using Go (free, used, etc)

25 How to get the current process ID in Go

26 How to use environment variables in Go