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README.md: Add reference to JPEG example 

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Dustin Oprea 2019-03-06 13:07:41 -05:00
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@ -37,11 +37,11 @@ $ go test github.com/dsoprea/go-exif
## Usage
The package provides a set of [working examples](https://godoc.org/github.com/dsoprea/go-exif#pkg-examples) and is fully covered by unit-tests. Please look to these for getting familiar with how to read and write EXIF.
The package provides a set of [working examples](https://godoc.org/github.com/dsoprea/go-exif#pkg-examples) and is covered by unit-tests. Please look to these for getting familiar with how to read and write EXIF.
In general, this package is concerned only with parsing and encoding raw EXIF data. It does not understand specific file-formats. This package assumes you know how to extract the raw EXIF data from a file, such as a JPEG, and, if you want to update it, know then how to write it back. File-specific formats are not the concern of *go-exif*, though we provide [exif.SearchAndExtractExif](https://godoc.org/github.com/dsoprea/go-exif#SearchAndExtractExif) and [exif.SearchFileAndExtractExif](https://godoc.org/github.com/dsoprea/go-exif#SearchFileAndExtractExif) as brute-force search mechanisms that will help you explore the EXIF information for newer formats that you might not yet have any way to parse.
That said, the author also provides [go-jpeg-image-structure](https://github.com/dsoprea/go-jpeg-image-structure) and [go-png-image-structure](https://github.com/dsoprea/go-png-image-structure) to support properly reading and writing JPEG and PNG images.
That said, the author also provides [go-jpeg-image-structure](https://github.com/dsoprea/go-jpeg-image-structure) and [go-png-image-structure](https://github.com/dsoprea/go-png-image-structure) to support properly reading and writing JPEG and PNG images. See the [SetExif example in go-jpeg-image-structure](https://godoc.org/github.com/dsoprea/go-jpeg-image-structure#example-SegmentList-SetExif) for practical information on getting started with JPEG files.
### Overview