import os
import re

path = "/Users/rmadupuri/GitHub/datahub/public"

all_studies = os.listdir(path)
tcga_studies = list()
for studies in all_studies:
	if os.path.isdir(path+"/"+studies):
		if re.search(r'_tcga$',studies): # For Provisional studies
			tcga_studies.append(studies)
		if "_tcga_pub" in studies:   # For published studies
			tcga_studies.append(studies)

for st in tcga_studies:
	files = os.listdir(path+"/"+st)
	if "meta_RNA_Seq_v2_expression_median.txt" in files:
		data = str()
		with open(path+"/"+st+"/meta_RNA_Seq_v2_expression_median.txt",'r') as f:
			for line in f:
				if line.startswith("profile_description"):
					data += "profile_description: mRNA gene expression (RNA Seq V2 RSEM)\n"
				else:
					data += line
			os.remove(path+"/"+st+"/meta_RNA_Seq_v2_expression_median.txt")
			f= open(path+"/"+st+"/meta_RNA_Seq_v2_expression_median.txt","w+")
			f.write(data)
			f.close()