Examples using... bufio.NewScanner()

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Scanner.Bytes in Go

by GoDoc Go bufio.NewScanner bufio fmt fmt.Fprintln fmt.Println

Return the most recent call to Scan as a []byte.

Scanner (Words) in Go

by GoDoc Go bufio.NewScanner bufio bufio.ScanWords fmt fmt.Fprintln

Use a Scanner to implement a simple word-count utility by scanning the input as a sequence of space-delimited tokens.

Scanner (Lines) in Go

by GoDoc Go bufio.NewScanner bufio fmt fmt.Fprintln fmt.Println

The simplest use of a Scanner, to read standard input as a set of lines.

Scanner (EmptyFinalToken) in Go

by GoDoc Go bufio.NewScanner bufio bufio.ErrFinalToken fmt fmt.Fprintln

Use a Scanner with a custom split function to parse a comma-separated list with an empty final value.

Scanner (Custom) in Go

by GoDoc Go bufio.NewScanner fmt.Printf bufio bufio.ScanWords fmt

Use a Scanner with a custom split function (built by wrapping ScanWords) to validate 32-bit decimal input.

HTTP Client in Go

by yhuang Go bufio.NewScanner fmt.Println bufio fmt http.Get

The Go standard library comes with excellent support for HTTP clients and servers in the net/http package. In this example we’ll use it to issue simple HTTP requests.

Stdin Line Filter in Go

by yhuang Go bufio.NewScanner bufio fmt fmt.Fprintln fmt.Println

Here’s an example line filter in Go that writes a capitalized version of all input text. You can use this pattern to write your own Go line filters.