apt-get install libimage-exiftool-perl

exiftool /path/to/foo.jpg

exiftool -s -G /path/to/foo.jpg

exiftool -d %Y%m%d-%H%M%S.%%e '-FileName<DateTimeOriginal' /path/to/foo.NEF

exiftool -d %Y%m%d-%H%M%S.%%e '-FileName<DateTimeOriginal' .

exiftool -ext NEF -d %Y%m%d-%H%M%S.%%e '-FileName<DateTimeOriginal' .

exiftool -ext NEF -r -d %Y%m%d-%H%M%S.%%e '-FileName<DateTimeOriginal' .

exiftool -r -d %Y '-directory<$DateTimeOriginal/%d' .

exiftool -ext JPG -T -r -focallength . > focal_length_data.dat

exiftool -ext JPG -T -r -focallength . | sort -g | uniq -c | sed -r 's/ {5}//g' > focal_length_data.dat

apt-get install gnuplot

exiftool -ext JPG -T -r -focallength . | sort -g | uniq -c | sed -r 's/ {5}//g;s/.0 mm//;' > focal_length_data.dat


set terminal png
set output "focal_length_data.png"
set style fill solid
plot "focal_length_data.dat" using 1: xtic(2) with histogram


exiftool -all= path/to/foo.jpg

exiftool -overwrite_original -all= path/to/foo.jpg

exiftool -overwrite_original -all= .

exiftool -ext JPG -overwrite_original -gps:all= .

exiftool -make='Nippon Kogaku K.K.' -model='Nikomat FTn' -fnumber='8' -exposuretime='1/500' -iso='400' foo.jpg


#!/bin/bash
exiftool -make="$1" -model="$2" -fnumber=$3 -exposuretime=$4 -iso=$5 $6


chmod +x exifwrite.sh

./exifwrite.sh 'Nippon Kogaku K.K.' 'Nikomat FTn' 11 1/125 400 foo.jpg

exiftool -ext JPG -GPSLongitudeRef=E -GPSLongitude=139.7513889 -GPSLatitudeRef=N -GPSLatitude=35.685 .

exiftool -overwrite_original -P -tagsFromFile foo.jpg -gps:all .

exiftool -geotag track.log /path/to/photos


exiftool -overwrite_original -keywords+='Berlin' .
exiftool -keywords-='Berlin' .


exiftool -overwrite_original -keywords-='tokyo' .
exiftool -overwrite_original -keywords+='Tokyo' .


exiftool -if '$keywords =~ /Berlin/i' -filename .