multi_exiftool 0.12.0
This library a is wrapper for the ExifTool command-line application (http://www.sno.phy.queensu.ca/~phil/exiftool) written by Phil Harvey. It is designed for dealing with multiple files at once by creating commands to call exiftool with various arguments, call it and parsing the results.
Gemfile:
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install:
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Requirements:
exiftool, version 7.65 or higher