This is the command exiftags that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
exiftags - output the properties contained in a JPEG Exif section
exiftags [ -acdilquv ] [ -s delim ] [ file ... ]
The exiftags utility parses file or, by default, its standard input, looking for a JPEG
APP1 section containing Exif (Exchangeable Image File) data. The properties contained in
these data are then printed to the standard output.
Digital cameras typically add Exif data to the image files they produce, containing
information about the camera and digitized image. The options described below may be used
to control output verbosity and section formatting.
-a Output camera-specific, image-specific, and verbose properties contained in the
-c Output camera-specific properties contained in the file.
-d Output Exif parse debug information.
-i Output image-specific properties contained in the file.
-l Make lens characteristics image-specific. Useful for higher-end cameras that have
removable lenses (i.e., not "point-and-shoot" cameras).
-q Suppress output of a property section header.
-s Separate field name and value with the string delim. The default is ': '.
-u Output unknown or unsupported properties contained in the file. Also, output
invalid properties when debugging information is requested.
-v Output verbose properties contained in the file.
Some camera manufacturers include a "maker note" section with additional information about
the camera or image not part of the Exif standard. The format of these maker notes varies
wildly and manufacturers are not forthcoming with implementation details. Therefore,
exiftags maker note support is the result of experimentation and reverse engineering (see
below for credits) and incomplete. exiftags is known to have at least partial support for
the following manufacturers' maker notes:
If you wish support for additional manufacturers or cameras, please send any information
you have about the data format or, better yet, patches, and a sample image file to the
author. (Though he makes no promises.)
The exiftags utility exits 0 on success, and >0 if an error occurs.
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