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Refs https://github.com/hashicorp/go-discover/pull/128 * deps: add replace directive for gocheck Transitive dep, source at https://launchpad.net/gocheck indicates project moved. This also avoids a dependency on bzr when fetching modules. Refs https://github.com/hashicorp/consul/pull/6818 * deps: make update-vendor * test: update retry-join expected names from go-discover
67 lines
2.0 KiB
Markdown
67 lines
2.0 KiB
Markdown
# utfbom [](https://godoc.org/github.com/dimchansky/utfbom) [](https://opensource.org/licenses/Apache-2.0) [](https://travis-ci.org/dimchansky/utfbom) [](https://goreportcard.com/report/github.com/dimchansky/utfbom) [](https://coveralls.io/github/dimchansky/utfbom?branch=master)
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The package utfbom implements the detection of the BOM (Unicode Byte Order Mark) and removing as necessary. It can also return the encoding detected by the BOM.
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## Installation
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go get -u github.com/dimchansky/utfbom
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## Example
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```go
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package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"github.com/dimchansky/utfbom"
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)
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func main() {
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trySkip([]byte("\xEF\xBB\xBFhello"))
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trySkip([]byte("hello"))
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}
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func trySkip(byteData []byte) {
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fmt.Println("Input:", byteData)
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// just skip BOM
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output, err := ioutil.ReadAll(utfbom.SkipOnly(bytes.NewReader(byteData)))
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println("ReadAll with BOM skipping", output)
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// skip BOM and detect encoding
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sr, enc := utfbom.Skip(bytes.NewReader(byteData))
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fmt.Printf("Detected encoding: %s\n", enc)
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output, err = ioutil.ReadAll(sr)
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println("ReadAll with BOM detection and skipping", output)
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fmt.Println()
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}
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```
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Output:
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```
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$ go run main.go
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Input: [239 187 191 104 101 108 108 111]
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ReadAll with BOM skipping [104 101 108 108 111]
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Detected encoding: UTF8
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ReadAll with BOM detection and skipping [104 101 108 108 111]
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Input: [104 101 108 108 111]
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ReadAll with BOM skipping [104 101 108 108 111]
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Detected encoding: Unknown
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ReadAll with BOM detection and skipping [104 101 108 108 111]
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```
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