reading multiple files but for each file read add a date .simialrly when reading next file again add date
eg:
file place in a directory : XX\zz_20150515,
XX\zz_20150516
XX\zz_20150517
read each file and for each file read. Add date in all the records
acct_id , unique, date
------------ ----------- -------
1212 asdasd 20150515
1233 asdasd 20150515
3444 asdadad 20150516
1313 dsfsdfssf 20150516
4323 sszzsscz 20150516
6568 asddasdw 20150517
132 sfdfsfsdfsd 20150517
please help
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