The Script

Here is the final script that we came up with. It doesn't look like much, but if you've ever coded real-time on a projector in front of an audience, it's quite an accomplishment to get anything working without making a fool of yourself. We were quite happy with ourselves.

#!/bin/bash

START_DIR=$PWD

if [ -z "$1" ]
then
	echo "usage:   `basename $0` directory"
	exit 1
fi

cd $1

for file in `ls`; do
	if [ -f $file ]
	then
		SIZE_FILENAME=`du -b $file`
		CKSUM=`cksum $file | cut -f1 -d" "`
		echo $SIZE_FILENAME $CKSUM
	fi
done

cd $START_DIR