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Format

Standard Data Format

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Summary

Name
Standard Data Format
Identifiers
PUID: fmt/1555
Format type
Text (Structured)
Description
Standard Data Format (SDF) files are commonly used to transfer data between different programs. SDF files are formatted ASCII text files, in which fields are delimited with a particular character (usually a space), and each record ends with a carriage return and/or line feed.
File extensions
sdf
Source
National Library of Australia / National Library of Australia

Internal signatures

Standard Data Format

Note
Magic bytes, BOF, offset 0: G0 Magic bytes: 0x0D (Carriage Return) followed by 0x0A (Line Feed) followed by 0x1A (Substitute)

Byte sequences

Min Frag Length
Absolute from EOF
Offset
0
Max offset
0
Byte Sequence
0D0A1A
Endianness
None
Min Frag Length
Absolute from BOF
Offset
0
Max offset
3
Byte Sequence
4730
Endianness
None

Changelog

  • Added in V101

    Release date
    15 February 2022

    Standard Data Format: Added BOF byte sequence. Submitted by Digital Preservation Department,The National Archives.

    Standard Data Format: Signature researched and samples provided by Digital Preservation Department,The National Archives.

  • Added in V100

    Release date
    16 December 2021

    Standard Data Format: Signature researched and samples provided by The National Archives and Records Administration.

    Standard Data Format: Full entry added. Submitted by The National Library of Australia.