这在 Imagemagick 6.9.9.29 Q16 Mac OSX 中对我来说很好。
infile="P1050001.JPG"
cameramodel=`identify -ping -format "%[EXIF:model]" "$infile"`
focallenght35=`identify -ping -format "%[EXIF:FocalLengthIn35mmFilm]" "$infile"`
fnumber1=`identify -ping -format "%[EXIF:FNumber]" "$infile" | cut -d/ -f1`
fnumber2=`identify -ping -format "%[EXIF:FNumber]" "$infile" | cut -d/ -f2`
exptime1=`identify -ping -format "%[EXIF:ExposureTime]" "$infile" | cut -d/ -f1`
exptime2=`identify -ping -format "%[EXIF:ExposureTime]" "$infile" | cut -d/ -f2`
isospeed=`identify -ping -format "%[EXIF:ISOSpeedRatings]" "$infile"`
fnumber=`echo "scale=1; $fnumber1/$fnumber2" | bc`
exptime=`echo "scale=3; $exptime1/$exptime2" | bc`
echo "CameraModel=$cameramodel, FocalLengthIn35mmFilm: $focallenght35 mm, F$fnumber, $exptime sec, ISO $isospeed"
相机型号=DMC-FZ30,FocalLengthIn35mmFilm:35 毫米,F2.8,0.125 秒,ISO 200
或者,
infile="P1050001.JPG"
declare `convert -ping "$infile" -format "cameramodel=%[EXIF:model]\n focallenght35=%[EXIF:FocalLengthIn35mmFilm]\n fnumber=%[EXIF:FNumber]\n exptime=%[EXIF:ExposureTime]\n isospeed=%[EXIF:ISOSpeedRatings]\n" info:`
fnumber1=`echo $fnumber | cut -d/ -f1`
fnumber2=`echo $fnumber | cut -d/ -f2`
fnumber=`echo "scale=1; $fnumber1/$fnumber2" | bc`
exptime1=`echo $exptime | cut -d/ -f1`
exptime2=`echo $exptime | cut -d/ -f2`
exptime=`echo "scale=0; $exptime2/$exptime1" | bc`
echo "CameraModel=$cameramodel, FocalLengthIn35mmFilm: $focallenght35 mm, F$fnumber, 1/$exptime sec, ISO $isospeed"
相机型号=DMC-FZ30,FocalLengthIn35mmFilm:35 毫米,F2.8,1/8 秒,ISO 200