The ''B'' flag compacts whitespace in the target, which mustĬontain at least one whitespace character. The string type specification can be optionally followed by /*. Quad' An eight-byte value in this machine's native byte order.įloat' A 32-bit single precision IEEE floating point number in this machine's native byte order.ĭouble' A 64-bit double precision IEEE floating point number in this machine's native byte order. Long' A four-byte value in this machine's native byte order. Short' A two-byte value in this machine's native byte order. Offset A number specifying the offset, in bytes, into the file of the data which is to be tested. The line consists of the following fields: If the test succeeds, a message is printed. A test compares the data starting at a particular offset in the file with a byte value, a string orĪ numeric value. The file /usr/share/misc/magic specifies what patterns are toīe tested for, what message or MIME type to print if a particular pattern is found, and additional information to extract from the file.Įach line of the file specifies a test to be performed. ![]() Using, among other tests, a test for whether the file contains certain ''magic patterns''. The file(1) command identifies the type of a file This manual page documents the format of the magic file as used by the file(1) command, version 5.04. ![]() Magic - file command's magic pattern file
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