This OS X bash script takes an image file as a parameter. The width and height of the image are identified, and a fully-qualified img tag is output. Note that the location of the image on the remote server is hardcoded and will need to be changed for your site. Read more about this script at: http://www.gordonmeyer.com/2013/03/a-script-to-automa…

imgref.sh

#!/bin/bash
#gordonmeyer.com March 23, 2013
#usage: imgref filename 
#output: <img> tag 
#requires: OS X
#credits: http://superuser.com/questions/273059/get-pixel-dimensions-of-a-png-on-my-mac


filename=$1
if [ ! -f "$filename" ] ; then
    echo "$filename not found!";
    exit 1
fi
bname=$( basename "$filename")

prfx="<img src=\"http://www.chicagomagicstudio.com/map/gfx/"
h=$( sips -g pixelHeight "$filename" | tail -n1 | cut -d" " -f4 )
w=$( sips -g pixelWidth "$filename" | tail -n1 | cut -d" " -f4 )

theref=$( echo $prfx$bname\" width=\"$w\" height=\"$h\"\>\</br\>TITLE)
echo $theref

http://www.gordonmeyer.com/2013/03/a-script-to-automatically-create-a-complete-img-tag.html