libmagic

v 5.41 Updated: 6 months, 3 weeks ago

File - determine file type

File tests each argument in an attempt to classify it. There are three sets of tests, performed in this order: filesystem tests, magic number tests, and language tests. The first test that succeeds causes the file type to be printed. For information on Mach-O binaries, it is suggested that one uses the command `otool -fv`.

http://www.darwinsys.com/file/

To install libmagic, paste this in macOS terminal after installing MacPorts

sudo port install libmagic

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Installations 293
Requested Installations 16