#!/bin/bash
# Author: Joshua Bailey
# Script: link2path
# Summary: makes a symbolic link to a specified file in your /usr/bin dir.
# Syntax1:  link2path '/pathtofile/filename'
# Syntax2:  link2path '/pathtofile/filename' '/dir/toadd/linkto'

function notAForwardSlash
{
	if [[ $1 != '/' ]]
        then
		return 0
        else
        	return 1
        fi
}

function getFileName 
{
	STRING=$1
        LENGTH=${#STRING}
	n=0
	for ((n=0;n <= $LENGTH; n++))
        do
		CHAR=${STRING:$n:1}
		if notAForwardSlash $CHAR
		then
			FileName=$FileName$CHAR
		else
			FileName=""
		fi
	done
}
echo $PATH | grep $2 > /dev/null
if [[ $? != 0 ]]
then
	echo "$2 is not in your path statement!"
	read -p "Would you like it to be? [y/n] " ans
	ans=`echo $ans | tr [:upper:] [:lower:]`
	ans=${ans:0:1}
	if [[ $ans == 'y' ]]
	then
		newpath=`grep 'PATH=' ~/.bashrc`
		if [[ ${#newpath} == 0 ]]
		then
			newpath=`echo PATH=$PATH`
		fi
		if [[ ${#newpath} == 5 ]]
		then
			newpath=`echo PATH=$PATH`
		fi
		echo $newpath
		bob=`echo $newpath:$2`
		PATH=$PATH:$2
		grep -v 'PATH=' ~/.bashrc > ~/.tmprc
		echo $bob >> ~/.tmprc
		mv ~/.bashrc ~/tmp
		mv ~/.tmprc ~/.bashrc
		rm ~/tmp
	else
		exit
	fi
fi
FILE=$1
cur_dir=`pwd`
getFileName $FILE
if [[ ${FILE:0:1} != '/' ]]
then
	FILE=$cur_dir/$FILE
fi
cd $2 
ln -s $FILE $FileName
cd $cur_dir