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# durafmt

[![Build Status](https://travis-ci.org/hako/durafmt.svg?branch=master)](https://travis-ci.org/hako/durafmt) [![Go Report Card](https://goreportcard.com/badge/github.com/hako/durafmt)](https://goreportcard.com/report/github.com/hako/durafmt) [![codecov](https://codecov.io/gh/hako/durafmt/branch/master/graph/badge.svg)](https://codecov.io/gh/hako/durafmt) [![GoDoc](https://godoc.org/github.com/hako/durafmt?status.svg)](https://godoc.org/github.com/hako/durafmt) 
[![Open Source Helpers](https://www.codetriage.com/hako/durafmt/badges/users.svg)](https://www.codetriage.com/hako/durafmt)



durafmt is a tiny Go library that formats `time.Duration` strings into a human readable format.

```
go get github.com/hako/durafmt
```

# Why

If you've worked with `time.Duration` in Go, you most likely have come across this:

```
53m28.587093086s // :)
```

The above seems very easy to read, unless your duration looks like this:

```
354h22m3.24s // :S
```

# Usage

### durafmt.ParseString()

```go
package main

import (
	"fmt"
	"github.com/hako/durafmt"
)

func main() {
	duration, err := durafmt.ParseString("354h22m3.24s")
	if err != nil {
		fmt.Println(err)
	}
	fmt.Println(duration) // 2 weeks 18 hours 22 minutes 3 seconds
	// duration.String() // String representation. "2 weeks 18 hours 22 minutes 3 seconds"
}
```

### durafmt.ParseStringShort()

Version of `durafmt.ParseString()` that only returns the first part of the duration string.

```go
package main

import (
	"fmt"
	"github.com/hako/durafmt"
)

func main() {
	duration, err := durafmt.ParseStringShort("354h22m3.24s")
	if err != nil {
		fmt.Println(err)
	}
	fmt.Println(duration) // 2 weeks
	// duration.String() // String short representation. "2 weeks"
}
```

### durafmt.Parse()

```go
package main

import (
	"fmt"
	"time"
	"github.com/hako/durafmt"
)

func main() {
	timeduration := (354 * time.Hour) + (22 * time.Minute) + (3 * time.Second)
	duration := durafmt.Parse(timeduration).String()
	fmt.Println(duration) // 2 weeks 18 hours 22 minutes 3 seconds
}
```

### durafmt.ParseShort()

Version of `durafmt.Parse()` that only returns the first part of the duration string.

```go
package main

import (
	"fmt"
	"time"
	"github.com/hako/durafmt"
)

func main() {
	timeduration := (354 * time.Hour) + (22 * time.Minute) + (3 * time.Second)
	duration := durafmt.ParseShort(timeduration).String()
	fmt.Println(duration) // 2 weeks
}
```

# Contributing

Contributions are welcome! Fork this repo and add your changes and submit a PR.

If you would like to fix a bug, add a feature or provide feedback you can do so in the issues section.

You can run tests by runnning `go test`. Running `go test; go vet; golint` is recommended.

durafmt is also tested against `gometalinter`.

# License

MIT