encoding/csv
Encodingimport "encoding/csv"Reads and writes comma-separated values (CSV) files.
Example
package main
import (
"encoding/csv"
"os"
)
func main() {
w := csv.NewWriter(os.Stdout)
w.Write([]string{"Name", "Age"})
w.Write([]string{"Alice", "30"})
w.Flush()
}Key Types & Functions
ReaderWriterNewReaderNewWriterAbout encoding/csv
The encoding/csv package (imported as encoding/csv) belongs to the Encoding category of Go packages. Reads and writes comma-separated values (CSV) files.
Go's standard library is one of the language's greatest strengths, providing production-ready implementations for networking, cryptography, encoding, I/O, and more. The encoding/csv package follows Go's philosophy of simplicity and composability — small, focused packages that combine through interfaces like io.Reader and io.Writer.
When using encoding/csv in production, follow Go best practices: handle errors explicitly, use context for cancellation and timeouts, prefer composition over inheritance, and write table-driven tests. The Go documentation at pkg.go.dev provides comprehensive API references and examples for every exported type and function.