Welcome to expand 👋

Expands variables recursivly using a dependency graph algorithm

🏠 Homepage

Install

go get github.com/alex-held/expand

Usage

func main() {
	vars := map[string]string{
	    "a": "$HOME/$b/$c",
		"b": "$c/foo",
		"c": "bar",
		"HOME": "/home/user" // override environment variable
    }   
	
	expansions, err := expand.Expand(vars)
	if err != nil {
	   panic(err)
	}
	
	println(expansions.MustGet("a"))
	
	// Outputs:
	// /home/user/bar/foo/bar
}

Run tests

go test -v ./...

Author

👤 Alexander Held

• Website: https://alexheld.io
• Twitter: @0_alexheld
• Github: @alex-held

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