exiftool

Documentation

Overview

Package exiftool provides a pure Go wrapper around ExifTool via WebAssembly. It uses zeroperl (Perl compiled to WebAssembly) and wazero (pure Go wasm runtime) to provide ExifTool functionality without any external dependencies.

Index

• type ExifTool
  • func New() (*ExifTool, error)
  • func NewWithContext(ctx context.Context) (*ExifTool, error)
  • func (et *ExifTool) Close() error
  • func (et *ExifTool) ReadMetadata(filePath string) (map[string]any, error)
  • func (et *ExifTool) SetTag(srcPath string, dstPath string, tag string, value string) error
  • func (et *ExifTool) Version() (string, error)
  • func (et *ExifTool) WriteMetadata(srcPath string, dstPath string, tags map[string]any) error

Types

type ExifTool

type ExifTool struct {
	// contains filtered or unexported fields
}

ExifTool represents an ExifTool instance backed by WebAssembly.

func New

func New() (*ExifTool, error)

New creates a new ExifTool instance.

func NewWithContext

func NewWithContext(ctx context.Context) (*ExifTool, error)

NewWithContext creates a new ExifTool instance with the given context.

func (*ExifTool) Close

func (et *ExifTool) Close() error

Close releases all resources.

func (*ExifTool) ReadMetadata

func (et *ExifTool) ReadMetadata(filePath string) (map[string]any, error)

ReadMetadata reads metadata from an image file.

func (*ExifTool) SetTag

func (et *ExifTool) SetTag(srcPath string, dstPath string, tag string, value string) error

SetTag writes a single tag to an image file. If dstPath is empty, the source file is modified in place.

func (*ExifTool) Version

func (et *ExifTool) Version() (string, error)

Version returns the ExifTool version.

func (*ExifTool) WriteMetadata

func (et *ExifTool) WriteMetadata(srcPath string, dstPath string, tags map[string]any) error

WriteMetadata writes multiple tags to an image file. If dstPath is empty, the source file is modified in place.