Make a polaroid-style photo montage (make-polaroid)

make-polaroid.sh

#!/bin/bash

d=$(pwd)
lastDirectoryComponent=${d##*/}

title=$lastDirectoryComponent

if [ -n "$1" ]; then
        title="$1 ($lastDirectoryComponent)"
fi

# outfilename="polaroid.jpg"
outfilename="${lastDirectoryComponent}.polaroid.jpg"

resolution="1000"
tile="4x4"
captionpointsize="20"

# Image label escapes: see https://www.imagemagick.org/script/escape.php
# %f filename

caption="%f"

montage $(ls *.jpg *.JPG |grep -v "$outfilename" | sort -n) -thumbnail ${resolution}x${resolution} -set caption "$caption" -background grey40 -pointsize $captionpointsize +polaroid -background white -geometry +1+1 -tile $tile -title "$title" polaroid.jpg