#!/bin/bash
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

if [ $# -ne 1 ]
then
    echo "Usage:$0 scantype"
    echo "UNLV data comes in several scan types:"
    echo "3B=300 dpi binary"
    echo "3A=adaptive thresholded 300 dpi"
    echo "3G=300 dpi grey"
    echo "4B=400dpi binary"
    echo "2B=200dpi binary"
    echo "For now we only use 3B"
    exit 1
fi
ext=$1

#There are several test sets without meaningful names, so rename
#them with something a bit more meaningful.
#Each s is oldname/newname
for s in 3/doe3 B/bus M/mag N/news L/legal R/rep S/spn Z/zset
do
    old=${s%/*}
    #if this set was downloaded then process it.
    if [ -r "$old/PAGES" ]
    then
	new=${s#*/}.$ext
	mkdir -p "$new"
    	echo "Set $old -> $new"
	#The pages file had - instead of _ so fix it and add the extension.
	for page in $(cat $old/PAGES)
	do
    	    echo "${page%-*}_${page#*-}.$ext"
	done >"$new/pages"
	for f in $(cat "$new/pages")
	do
    	    #Put a tif extension on the tif files.
	    cp "$old/${old}_B/$f" "$new/$f.tif"
	    #Put a uzn extension on the zone files.
	    cp "$old/${old}_B/${f}Z" "$new/$f.uzn"
	    #Cat all the truth files together and put into a single txt file.
	    cat "$old/${old}_GT/${f%.$ext}".Z* >"$new/$f.txt"
	done
    fi
done