File1

"111yu",erter,"00000", ,"567"
"gh6fr",erter,"00000", ,"567"
"1t76y",erter,"00000", ,"yu7"
"yu84e",erter,"00000", ,"5h7"
-- 
-- 
-- 

##</code><code>##


file2

111yu
345cv
yu84e
-- 
-- 

##</code><code>##


file3

"111yu",erter,"00000", ,"567"
"yu84e",erter,"00000", ,"5h7"
-- 

-- 

and

file4

"gh6fr",erter,"00000", ,"567"
"1t76y",erter,"00000", ,"yu7"
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