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Topic review - MAC OS X: read image/jpeg EXIF information on command line
Author Message
Post subject: MAC OS X: read image/jpeg EXIF information on command line  |  Post Posted: Mon Sep 11, 2017 8:52 am
MAC OS X provides a tool to analyze image/jpeg EXIF metadata, including GPS coordinates of the photo, the camera it was taken on and so on.


Quote:
MDLS(1) BSD General Commands Manual MDLS(1)

NAME
mdls -- lists the metadata attributes for the specified file

SYNOPSIS
mdls [-name attributeName] [-raw [-nullMarker markerString]] file ...

DESCRIPTION
The mdls command prints the values of all the metadata attributes associated with the files provided as an argument.

The following options are available:

-name Print only the matching metadata attribute value. Can be used multiple times.

-raw Print raw attribute data in the order that was requested. Fields will be separated with a ASCII NUL character, suitable for piping to xargs(1) -0.

-nullMarker Sets a marker string to be used when a requested attribute is null. Only used in -raw mode. Default is "(null)".

SEE ALSO
mdfind(1), mdutil(1) xargs(1)

Mac OS X June 3, 2004 Mac OS X


See kMDItemLatitude and kMDItemLongitude objects.

Code:
$ mdls IMG_2368.jpg
kMDItemAcquisitionMake         = "Apple"
kMDItemAcquisitionModel        = "iPhone 7"
kMDItemAltitude                = 1741
kMDItemAperture                = 1.695993715632365
kMDItemBitsPerSample           = 32
kMDItemColorSpace              = "RGB"
kMDItemContentCreationDate     = 2017-09-10 12:36:23 +0000
kMDItemContentModificationDate = 2017-09-10 12:36:23 +0000
kMDItemContentType             = "public.jpeg"
kMDItemContentTypeTree         = (
    "public.jpeg",
    "public.image",
    "public.data",
    "public.item",
    "public.content"
)
kMDItemCreator                 = "10.3.1"
kMDItemDateAdded               = 2017-09-10 12:36:23 +0000
kMDItemDisplayName             = "IMG_2368.jpg"
kMDItemEXIFVersion             = "2.2.1"
kMDItemExposureMode            = 0
kMDItemExposureProgram         = 2
kMDItemExposureTimeSeconds     = 0.0007518796992481203
kMDItemFlashOnOff              = 0
kMDItemFNumber                 = 1.8
kMDItemFocalLength             = 3.99
kMDItemFSContentChangeDate     = 2017-09-10 12:36:23 +0000
kMDItemFSCreationDate          = 2017-09-10 12:36:23 +0000
kMDItemFSCreatorCode           = ""
kMDItemFSFinderFlags           = 0
kMDItemFSHasCustomIcon         = (null)
kMDItemFSInvisible             = 0
kMDItemFSIsExtensionHidden     = 0
kMDItemFSIsStationery          = (null)
kMDItemFSLabel                 = 0
kMDItemFSName                  = "IMG_2368.jpg"
kMDItemFSNodeCount             = (null)
kMDItemFSOwnerGroupID          = 935
kMDItemFSOwnerUserID           = 20037
kMDItemFSSize                  = 2122637
kMDItemFSTypeCode              = ""
kMDItemGPSDateStamp            = "2017:09:06"
kMDItemGPSDestBearing          = 6.521270561542825
kMDItemHasAlphaChannel         = 0
kMDItemImageDirection          = 6.521270221689634
kMDItemISOSpeed                = 20
kMDItemKind                    = "JPEG image"
kMDItemLastUsedDate            = 2017-09-11 13:53:31 +0000
kMDItemLatitude                = 45.46824166666666
kMDItemLogicalSize             = 2122637
kMDItemLongitude               = 25.47102166666667
kMDItemOrientation             = 0
kMDItemPhysicalSize            = 2125824
kMDItemPixelCount              = 12192768
kMDItemPixelHeight             = 3024
kMDItemPixelWidth              = 4032
kMDItemProfileName             = "Display P3"
kMDItemRedEyeOnOff             = 0
kMDItemResolutionHeightDPI     = 72
kMDItemResolutionWidthDPI      = 72
kMDItemSpeed                   = 0.01376021798365123
kMDItemTimestamp               = "11:04:53"
kMDItemUseCount                = 3
kMDItemUsedDates               = (
    "2017-09-10 22:00:00 +0000"
)
kMDItemWhiteBalance            = 0


Code:
$ mdls -name kMDItemLatitude -name kMDItemLongitude IMG_2368.jpg
kMDItemLatitude  = 45.46824166666666
kMDItemLongitude = 25.47102166666667
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