magicnumber

package module

Go to main page

Versions in this module

v1

v1.4.0

Aug 10, 2026

Changes in this version

+ func AnsiWithLogger(sl *slog.Logger, r io.ReaderAt) bool

+ func CodePageWithLogger(sl *slog.Logger, r io.ReaderAt) bool

+ func Latin1(b []byte) (string, error)

+ func Nero(r io.ReaderAt) bool

+ func Real(r io.ReaderAt) bool

+ func Syncsafe(p []byte) int64

+ func TxtWithLogger(sl *slog.Logger, r io.ReaderAt) bool

type Signature

+ func FindWithLogger(sl *slog.Logger, r io.ReaderAt) Signature

+ func TextWithLogger(sl *slog.Logger, r io.ReaderAt) (Signature, error)

v1.3.1

Jul 28, 2026

v1.3.0

Jul 28, 2026

Changes in this version

+ func Pak(r io.ReaderAt) bool

type Signature

+ const NoGatePAK

v1.2.5

Jul 8, 2026

v1.2.4

May 20, 2026

Changes in this version

+ func AnsiW(w io.Writer, r io.ReaderAt) bool

+ func CodePageW(w io.Writer, r io.ReaderAt) bool

+ func TxtW(w io.Writer, r io.ReaderAt) bool

type Signature

+ func FindW(w io.Writer, r io.ReaderAt) Signature

+ func TextW(w io.Writer, r io.ReaderAt) (Signature, error)

v1.2.3

May 1, 2026

v1.2.2

Feb 5, 2026

v1.2.1

Nov 22, 2025

v1.2.0

Nov 22, 2025

Changes in this version

+ func BinAttribute(b byte) bool

+ func BinDump(r io.ReaderAt) bool

+ func XBin(r io.ReaderAt) bool

type Signature

+ const BinaryText

+ const XBinaryText

v1.1.1

Nov 16, 2025

Changes in this version

+ func IffPBM(r io.ReaderAt) bool

type Signature

+ const PlanarBitMap

v1.1.0

Nov 16, 2025

Changes in this version

+ const LastSignature

+ func IffAnim(r io.ReaderAt) bool

type Signature

+ const ElectronicArtsAnim

v1.0.13

Oct 24, 2025

v1.0.12

Aug 8, 2025

v1.0.11

Aug 8, 2025

v1.0.10

Jul 23, 2025

v1.0.9

Jul 23, 2025

v1.0.8

Apr 16, 2025

v1.0.7

Feb 13, 2025

v1.0.6

Jan 11, 2025

v1.0.5

Oct 22, 2024

v1.0.4

Sep 26, 2024

v1.0.3

Sep 19, 2024

Changes in this version

+ func CSI(r io.ReaderAt) bool

v1.0.2

Sep 17, 2024

v1.0.1

Sep 12, 2024

Changes in this version

+ func CodePage(r io.ReaderAt) bool

v1.0.0

Sep 2, 2024

Changes in this version

+ const ID3v1Size

+ var ErrNilReader = errors.New("nil reader")

+ func AAC(r io.ReaderAt) bool

+ func ASCII(r io.ReaderAt) bool

+ func Ansi(r io.ReaderAt) bool

+ func ArcFree(r io.ReaderAt) bool

+ func ArcSEA(r io.ReaderAt) bool

+ func Arj(r io.ReaderAt) bool

+ func Avi(r io.ReaderAt) bool

+ func Avif(r io.ReaderAt) bool

+ func Bmp(r io.ReaderAt) bool

+ func Bzip2(r io.ReaderAt) bool

+ func Cab(r io.ReaderAt) bool

+ func ConvLatin1(p []byte) (string, error)

+ func ConvSize(p []byte) int64

+ func Daa(r io.ReaderAt) bool

+ func DosKWAJ(r io.ReaderAt) bool

+ func DosSZDD(r io.ReaderAt) bool

+ func Empty(r io.ReaderAt) bool

+ func Flac(r io.ReaderAt) bool

+ func Flv(r io.ReaderAt) bool

+ func Gif(r io.ReaderAt) bool

+ func Gzip(r io.ReaderAt) bool

+ func Hlp(r io.ReaderAt) bool

+ func ID3v220(r io.ReaderAt) string

+ func ID3v22Frame(id [3]byte, data ...byte) string

+ func ID3v230(r io.ReaderAt) string

+ func ID3v23Frame(id [4]byte, data ...byte) string

+ func ISO(r io.ReaderAt) bool

+ func IT(r io.ReaderAt) bool

+ func Ico(r io.ReaderAt) bool

+ func Iff(r io.ReaderAt) bool

+ func Ilbm(r io.ReaderAt) bool

+ func IlbmDecode(r io.ReaderAt) (int, int)

+ func Ivr(r io.ReaderAt) bool

+ func Jpeg(r io.ReaderAt) bool

+ func Jpeg2000(r io.ReaderAt) bool

+ func JpegNoSuffix(r io.ReaderAt) bool

+ func Length(r io.ReaderAt) int64

+ func LzhLha(r io.ReaderAt) bool

+ func M4v(r io.ReaderAt) bool

+ func MK(r io.ReaderAt) bool

+ func MSComp(r io.ReaderAt) bool

+ func MSExe(r io.ReaderAt) bool

+ func MTM(r io.ReaderAt) bool

+ func Mdf(r io.ReaderAt) bool

+ func Midi(r io.ReaderAt) bool

+ func Mp3(r io.ReaderAt) bool

+ func Mp4(r io.ReaderAt) bool

+ func Mpeg(r io.ReaderAt) bool

+ func MusicID3v1(r io.ReaderAt) string

+ func MusicID3v2(r io.ReaderAt) string

+ func MusicIT(r io.ReaderAt) string

+ func MusicMK(r io.ReaderAt) string

+ func MusicMTM(r io.ReaderAt) string

+ func MusicTracker(r io.ReaderAt) string

+ func MusicXM(r io.ReaderAt) string

+ func NonISO889591(b byte) bool

+ func NonWindows1252(b byte) bool

+ func NotASCII(b byte) bool

+ func NotPlainText(b byte) bool

+ func Nri(r io.ReaderAt) bool

+ func Ogg(r io.ReaderAt) bool

+ func Pcx(r io.ReaderAt) bool

+ func Pdf(r io.ReaderAt) bool

+ func PkImplode(r io.ReaderAt) bool

+ func PkReduce(r io.ReaderAt) bool

+ func PkShrink(r io.ReaderAt) bool

+ func Pklite(r io.ReaderAt) bool

+ func Pksfx(r io.ReaderAt) bool

+ func Pkzip(r io.ReaderAt) bool

+ func PkzipMulti(r io.ReaderAt) bool

+ func Png(r io.ReaderAt) bool

+ func QTMov(r io.ReaderAt) bool

+ func RIFF(r io.ReaderAt) bool

+ func Rar(r io.ReaderAt) bool

+ func Rarv5(r io.ReaderAt) bool

+ func Ripscrip(r io.ReaderAt) bool

+ func Rtf(r io.ReaderAt) bool

+ func Tar(r io.ReaderAt) bool

+ func Tiff(r io.ReaderAt) bool

+ func Txt(r io.ReaderAt) bool

+ func TxtLatin1(r io.ReaderAt) bool

+ func TxtWindows(r io.ReaderAt) bool

+ func Utf16(r io.ReaderAt) bool

+ func Utf32(r io.ReaderAt) bool

+ func Utf8(r io.ReaderAt) bool

+ func Wave(r io.ReaderAt) bool

+ func Webp(r io.ReaderAt) bool

+ func Wmv(r io.ReaderAt) bool

+ func X7z(r io.ReaderAt) bool

+ func XM(r io.ReaderAt) bool

+ func XZ(r io.ReaderAt) bool

+ func ZStd(r io.ReaderAt) bool

+ func Zip64(r io.ReaderAt) bool

+ func Zoo(r io.ReaderAt) bool

+ type Extension map[Signature][]string

+ func Ext() Extension

+ type Finder map[Signature]Matcher

+ func New() Finder

+ type Matcher func(io.ReaderAt) bool

+ type NewExecutable int

+ const DOSv4Exe

+ const NoneNE

+ const OS2Exe

+ const UnknownNE

+ const Windows286Exe

+ const Windows386Exe

+ func (ne NewExecutable) String() string

+ type PortableExecutable uint16

+ const AMD64PE

+ const ARM64PE

+ const ARMPE

+ const Intel386PE

+ const ItaniumPE

+ const UnknownPE

+ type Signature int

+ const ANSIEscapeText

+ const ARChiveSEA

+ const AV1ImageFile

+ const ArchiveRobertJung

+ const BMPFileFormat

+ const Bzip2CompressArchive

+ const CDAlcohol120

+ const CDISO9660

+ const CDNero

+ const CDPowerISO

+ const ElectronicArtsIFF

+ const FlashVideo

+ const FreeArc

+ const FreeLosslessAudioCodec

+ const GoogleWebP

+ const GraphicsInterchangeFormat

+ const GzipCompressArchive

+ const InterleavedBitmap

+ const JPEG2000

+ const JPEGFileInterchangeFormat

+ const MPEG

+ const MPEG1AudioLayer3

+ const MPEG4

+ const MPEGAdvancedAudioCoding

+ const MicrosoftAudioVideoInterleave

+ const MicrosoftCABinet

+ const MicrosoftCompoundFile

+ const MicrosoftDOSKWAJ

+ const MicrosoftDOSSZDD

+ const MicrosoftExecutable

+ const MicrosoftIcon

+ const MicrosoftWindowsMedia

+ const MusicExtendedModule

+ const MusicImpulseTracker

+ const MusicMultiTrackModule

+ const MusicProTracker

+ const MusicalInstrumentDigitalInterface

+ const OggVorbisCodec

+ const PKLITE

+ const PKSFX

+ const PKWAREMultiVolume

+ const PKWAREZip

+ const PKWAREZip64

+ const PKWAREZipImplode

+ const PKWAREZipReduce

+ const PKWAREZipShrink

+ const PersonalComputereXchange

+ const PlainText

+ const PortableDocumentFormat

+ const PortableNetworkGraphics

+ const QuickTimeM4V

+ const QuickTimeMovie

+ const RIPscrip

+ const RealPlayer

+ const RichTextFormat

+ const RoshalARchive

+ const RoshalARchivev5

+ const TaggedImageFileFormat

+ const TapeARchive

+ const UTF16Text

+ const UTF32Text

+ const UTF8Text

+ const Unknown

+ const WaveAudioForWindows

+ const WindowsHelpFile

+ const X7zCompressArchive

+ const XZCompressArchive

+ const YoshiLHA

+ const ZStandardArchive

+ const ZeroByte

+ const ZooArchive

+ func Archive(r io.ReaderAt) (Signature, error)

+ func Archives() []Signature

+ func ArchivesBBS() []Signature

+ func DiscImage(r io.ReaderAt) (Signature, error)

+ func DiscImages() []Signature

+ func Document(r io.ReaderAt) (Signature, error)

+ func Documents() []Signature

+ func Find(r io.ReaderAt) Signature

+ func Image(r io.ReaderAt) (Signature, error)

+ func Images() []Signature

+ func MatchExt(filename string, r io.ReaderAt) (bool, Signature, error)

+ func Program(r io.ReaderAt) (Signature, error)

+ func Programs() []Signature

+ func Text(r io.ReaderAt) (Signature, error)

+ func Texts() []Signature

+ func Video(r io.ReaderAt) (Signature, error)

+ func Videos() []Signature

+ func (sign Signature) String() string

+ func (sign Signature) Title() string

+ type Windows struct

+ Major int

+ Minor int

+ NE NewExecutable

+ PE PortableExecutable

+ PE64 bool

+ TimeDateStamp time.Time

+ func Default() Windows

+ func FindExecutable(r io.ReaderAt) (Windows, error)

+ func NE(p []byte) Windows

+ func PE(p []byte) Windows

+ func (w Windows) String() string

+ type WindowsName map[string][2]int

+ func WindowsNames() WindowsName

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL