Fixed [Linux] MD2 Woes

#!/bin/bash
# 
# Copyright (C) 2014 Joel "ForgiveThisNewb" Hammond
#
# Permission is hereby granted, free of charge, to any person obtaining 
# a copy of this software and associated documentation files (the 
# "Software"), to deal in the Software without restriction, including 
# without limitation the rights to use, copy, modify, merge, publish, 
# distribute, sublicense, and/or sell copies of the Software, and to 
# permit persons to whom the Software is furnished to do so, subject to 
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# fixMD2s.sh - Version 2
# Resolves case-sensitivity issues surrounding the use of MD2 files for
#	Sonic Robo Blast 2 on Linux.

function main {
	#Fix the name of md2.dat
	if ! locateFile "md2.dat" 
	then
		echo "Script exiting due to fatal errors."
		exit;
	fi
	
	#Fix the name of the MD2 folder
	if ! locateFile "md2"
	then
		echo "Script exiting due to fatal errors."
		exit;
	fi
	
	#Process md2.dat
	processMd2Dat "md2.dat"
}

function locateFile {
	#Change the interal field seperator to not include spaces.
	#This change lasts for only this function.
	IFS="
	"
	
	#If the necessary file exists
	if [ -e "$1" ]
	then
		#echo "${1} found."
		return 0
	else
		echo "${1} not found.  Searching for case-changed variants..."
		search=(`ls -1 | grep -i ^"$1"$`)		
		
		if [[ "${#search[@]}" == "1" ]]
		then
			echo "	One result found.  Moving ${search[0]} to $1..."
			mv "${search[0]}" "$1"
			echo "	Moving on."
		elif [[ "${#search[@]}" == "0" ]]
		then
			echo "	No results found.  Create or locate a $1 file."
			return 1
		else
			echo "	${#search[@]} results found.  Manually resolve the issue."
			return 1
		fi
	fi
}

function processMd2Dat {
	#Get a list of all md2 files
	while read line
	do
		md2files[${#md2files[@]}]="`echo $line | cut -d' ' -f2`"
	done < "$1"
	
	#Ensure those files exist
	cd md2/
	for md2 in ${md2files[@]}
	do
		if ! locateFile "$md2"
		then
			echo "Script exiting due to fatal errors."
			exit
		fi
		textureFile="`echo $md2 | cut -d'.' -f1`.png"
		if ! locateFile "$textureFile"
		then
			echo "ERROR IS NOT FATAL.  Script Continuing."
			exit
		fi
	done
	cd ..
}

main