file filename
file AFNetworking
AFNetworking: Mach-O universal binary with 3 architectures: [arm_v7:Mach-O dynamically linked shared library arm_v7] [x86_64:Mach-O 64-bit dynamically linked shared library x86_64] [arm64:Mach-O 64-bit dynamically linked shared library arm64]
AFNetworking (for architecture armv7): Mach-O dynamically linked shared library arm_v7
AFNetworking (for architecture x86_64): Mach-O 64-bit dynamically linked shared library x86_64
AFNetworking (for architecture arm64): Mach-O 64-bit dynamically linked shared library arm64
lipo -info filename
lipo -info AFNetworking
Architectures in the fat file: AFNetworking are: armv7 x86_64 arm64
armv7 x86_64 arm64
