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#!/bin/sh
if [ -z "$1" ]; then
echo "Rename file to IMG_yyyyddmm_hhmmss.jpg using the EXIF timestamp."
echo "usage: $0 file1.jpg file2.jpg ..."
exit 0
fi
while [ ! -z "$1" ]; do
file="$1"
if [ `basename "${file}" ".jpg"`".jpg" = "${file}" ]; then
echo "renaming $file"
# set file timestamp from exif data
exiftool "-DateTimeOriginal>FileModifyDate" "${file}"
# get timestamp from file
# up to hundreths of a second
#file_timestamp=`date -r "${file}" +"IMG_%Y%m%d_%H%M%S%2N"`
# up to one second
file_timestamp=`date -r "${file}" +"IMG_%Y%m%d_%H%M%S"`
mv "${file}" "${file_timestamp}.jpg"
fi
shift
done
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