#!/bin/sh
usage="Usage: $0 dir

Concatenates all .txt files in a directory together and removes all
line breaks, saving the result to dirname.txt"

test $# -ne 1 && echo "$usage" && exit 1

d=`dirname "$1"`
cat "$1"/*.dehyphenated.txt | tr -d '\n' > "${d}.txt"

echo "Saved all text, with no newlines, to ${d}.txt"