Shell script to crop and adjust resolution of images in pipeline

ProcessImages.bash

#!/bin/bash

extension=jpeg

function docrop {
	mogrify -crop $1 $2.$extension
	rm $2-1.$extension
	mv $2-0.$extension $2.$extension
}

# Make the directories if they don't already exist.
! test -d $extension-hires && mkdir $extension-hires
! test -d $extension-lores && mkdir $extension-lores

echo Cleaning up first.
rm -f $extension-hires/*.xbb
rm -f $extension-lores/*.xbb
rm -f $extension-lores/*.$extension
rm -f *.xbb
rm -f *.$extension

echo Copying keynote output too hires
cd Images
ls -l *.$extension | awk '{print $9 " " substr($9, 8)}' | xargs -n 2 mv
cd ..
cp Images/* $extension-hires

cd $extension-hires

echo Cropping images.
# Particle 3 mosaic
docrop 4096x2048 021
# Particle 3 GEMS-like.
docrop 4096x3959 027
# Particle 3 GEMS-like phosphide planet.
docrop 4096x3959 028
# Particle 3 CU.
docrop 4096x3959 029
# Nessie overview.
docrop 4096x2051 034
# Humpty overview.
docrop 4096x2446 053
# Humpty EA3 LRGB.
docrop 4096x2665 062

cd ..

echo Copying files to low res dir...
cp $extension-hires/*.$extension $extension-lores
echo Reducing resolution in low res dir...
sips -Z 200 $extension-lores/*.$extension &> /dev/null
echo Extracting bounding boxes...
extractbb $extension-hires/*.$extension
extractbb $extension-lores/*.$extension

if [ "$1" != "lores" ]; then
	echo Copying high resolution files to output...
	cp $extension-hires/*.* ../Images
else
	echo Copying low resolution files to output...	
    cp $extension-lores/*.* ../Images
fi

echo Done!