hm ak si linux heker, tak si mozes spravit napriklad nasledovne:
for k in `ls |head`
do
echo $k
exif -t FocalLength IMG_0016.JPG |grep Value
done
a to vypluje ze:
IMG_0016.JPG
Value: 200.0 mm
IMG_0017.JPG
Value: 200.0 mm
IMG_0018.JPG
Value: 200.0 mm
IMG_0019.JPG
Value: 200.0 mm
IMG_0020.JPG
Value: 200.0 mm
IMG_0021.JPG
Value: 200.0 mm
IMG_0022.JPG
Value: 200.0 mm
IMG_0023.JPG
Value: 200.0 mm
IMG_0024.JPG
Value: 200.0 mm
IMG_0025.JPG
Value: 200.0 mm
s pocitanim to uz bude trosku trickier, kedze to tam bude treba parsovat, a boh vie keru rit :)
teda ja viem, keru rit treba robit ;P