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Advanced Techniques in Go Programming

Solution 3: Telling a UNIX System What to Do

Explore how to convert a Go program into a Cobra CLI project to manage UNIX system commands. Learn to add command flags, handle file output paths, and organize different command functions for efficient CLI utilities in Go.

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Solution 1

Here is the modified embedFiles.go code, which saves the binary file at a user-selected location.

embedFiles.go
Code explanation
  • Lines 15–28: The writeToFile function has been modified to use the provided path instead of the hardcoded /tmp/temporary.png, and the program prints the output file path in its message.
  • Lines 40–45: If the user selects option "1", the program will expect a second argument specifying the output file path. 
  • Lines 53–54: If no ...