Sxiv image-info script to display ISO, Shutter Speed, Aperture. Requires exiv2

image-info.sh

#!/bin/sh

# Called by sxiv(1) whenever an image gets loaded,
# with the name of the image file as its first argument.
# The output is displayed in sxiv's status bar.
# Arguments:
#   $1: path to image file
#   $2: image width
#   $3: image height

s=" | " # field separator

filename=$(basename "$1")
filesize=$(du -Hh "$1" | cut -f 1)

# The '[0]' stands for the first frame of a multi-frame file, e.g. gif.
geometry=$(identify -format '%wx%h' "$1[0]")
iso=$(exiv2 $1 | sed -n -e 's/^ISO speed * //p' | sed -n -e 's/: //p')
exposure=$(exiv2 $1 | sed -n -e 's/^Exposure time * //p' | sed -n -e 's/: //p')
aperature=$(exiv2 $1 | sed -n -e 's/^Aperture * //p' | sed -n -e 's/: //p')
echo "${filesize}${s}${geometry}${s}${iso}${s}${exposure}${s}${aperature}${s}${filename}"