original_filename				new_filename
hip_modules_Expressedin5Pct_desexed_midVariance.txt	hippo_desexed.txt
hip_modules_Expressedin5Pct_femaleOnly_midVariance	hippo_female.txt
hip_modules_Expressedin5Pct_maleOnly_midVariance	hippo_male.txt
	
liver_highlyexpressed_modules.txt	liver.txt  
lung_highlyexpressed_modules_power7.txt	lung.txt

For consistency, headers were added to files without headers and "|" was replaced with "_" in all the files