Adding missing hashbang bash (#!/bin/bash) line to top of script.
adding missing bash hashbang first line (#!/bin/bash)
adding missing bash hashbang first line (#!/bin/bash)
adding missing bash hashbang first line (#!/bin/bash)
Adding required command-line parameter to specify the top-level TCGA data repository, rather than hardcoding the path.  Usage statement added to describe this required parameter.  The top-level data directory is the one that contains "repositories".