How many bytes are required to identify png, gif, jpg format

Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
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Post by magick » 2006-04-27T11:39:16-07:00

For some formats, up to 2048 bytes are required. Most format can be identified within 80 or so bytes.

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