The tool that we recommend the most for command-line use is Phil Harvey’s exiftool (exiftool.org). How you install the exiftool software depends on your operating system and environment. Here are some installation instructions. It has extensive documentation online. You can also run exiftool with no arguments for a complete list of available options with examples. | On this page:
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Examples of reading IPTC metadata from the command line using exiftool
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