Select files that begins with the same four characters

Select files that begins with the same four characters

References

Reference NO 1

http://linuxcommand.org/lts0050.php

Reference NO 2

http://en.wikipedia.org/wiki/Computer_file

Reference NO 3

http://www.chebucto.ns.ca/~ak621/DOS/BatBasic.html

Reference NO 4

http://www.w3schools.com/sql/sql_func_mid.asp

Reference NO 5

http://gaming.stackexchange.com/questions/86290/can-we-have-multiple-save-file-in-borderlands-2

Reference NO 6

http://technet.microsoft.com/en-us/library/cc875839.aspx

Reference NO 7

http://openbookproject.net/thinkcs/python/english3e/files.html

Reference NO 8

http://www.apple.com/voiceover/info/guide/_1128.html