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el-exiftool is an elisp wrapper around [[http://www.sno.phy.queensu.ca/~phil/exiftool/][exiftool]], a metadata
editor. Exiftool supports reading and writing metadata in various
formats including [[wikipedia:Exif][EXIF]], [[wikipedia:Extensible_Metadata_Platform][XMP]] and [[wikipedia:IPTC_Information_Interchange_Model][IPTC]].
* Functions
** (el-exiftool-read FILE TAG...)
Read TAGs from FILE, and return an alist mapping tag names to
corresponding values.
** (el-exiftool-write FILE (TAG . VALUE)...)
Write tags to FILE.
The metadata to be written is specified as (TAG . VALUE) pairs.
** (el-exiftool-copy SOURCE DESTINATION)
Copy tags from SOURCE file to DESTINATION file.
** (el-exiftool-command &rest ARGS)
Execute a command in the currently running exiftool process.
If there is no running exiftool process, a new one will be
created. ARGS are arguments of the command to be run, as provided
to the exiftool command line application.
** (el-exiftool-run)
Start an exiftool process if not already running.
If an exiftool process is already running, delete it, and create
a new one. Return the process object of the newly created
process.
* License
el-exiftool is free software released under the terms of the [[https://www.gnu.org/licenses/gpl.txt][GNU
General Public License]], either version 3 of the License, or (at your
option) any later version.
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