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# multipartstreamer
Package multipartstreamer helps you encode large files in MIME multipart format
without reading the entire content into memory. It uses io.MultiReader to
combine an inner multipart.Reader with a file handle.
```go
package main
import (
"github.com/technoweenie/multipartstreamer.go"
"net/http"
)
func main() {
ms := multipartstreamer.New()
ms.WriteFields(map[string]string{
"key": "some-key",
"AWSAccessKeyId": "ABCDEF",
"acl": "some-acl",
})
// Add any io.Reader to the multipart.Reader.
ms.WriteReader("file", "filename", some_ioReader, size)
// Shortcut for adding local file.
ms.WriteFile("file", "path/to/file")
req, _ := http.NewRequest("POST", "someurl", nil)
ms.SetupRequest(req)
res, _ := http.DefaultClient.Do(req)
}
```
One limitation: You can only write a single file.
## TODO
* Multiple files?
## Credits
Heavily inspired by James
https://groups.google.com/forum/?fromgroups=#!topic/golang-nuts/Zjg5l4nKcQ0
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