Meta dll updating
Any family 0, 1 or 2 group name may be used when writing information, although not all groups are writable.
A special Exif Tool option allows copying tags from one file to another. Any tags specified after this option on the command line are extracted from source file and written to the destination file.
Read the installation instructions or the README file included in the full distribution for help installing Exif Tool.
Many command-line options are available to allow you to access a wide range of features.
The priority of the groups is given by the list above.
Once you have downloaded and extracted the distribution, you can immediately run exiftool (without building or installing) by typing " is the name of an image file, including directory name.
Alternatively, information may be written to a specific group only, bypassing these priorities, by providing a group name for the tag.
The "Writing Meta Information" section above gave the syntax rules for exiftool command-line arguments to do this.
Exif Tool is also available as a stand-alone Windows executable and a Macintosh OS X package: (Note that these versions contain the executable only, and do not include the HTML documentation or other files of the full distribution above.) "...
it is the mother of all EXIF utilities; the BFG of meta-data extraction; the Pan Galactic Gargle Blaster of EXIF tools ...
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You can also use the pure Perl version if you already have Perl installed.