csv

Go CSV reader like Python's DictReader.

go get github.com/earthboundkid/csv/v2

For performance comparison to other libraries, see this benchmark gist. As of this writing, this library is 40% faster and uses 70% less memory than its closest competitor.

Example

Source CSV

first_name,last_name,username
"Rob","Pike",rob
Ken,Thompson,ken
"Robert","Griesemer","gri"

User type

type User struct {
    Username string `csv:"username"`
    First    string `csv:"first_name"`
    Last     string `csv:"last_name"`
}

Scanning file

var user User
for err := range csv.Scan(csv.Options{Reader: src}, &user) {
    if err != nil {
        // Do something
    }
    fmt.Println(user.Username)
}
// Output:
// rob
// ken
// gri