Convert url to a safe filename

Convert url to a safe filename

References

Reference NO 1

http://stackoverflow.com/questions/13657002/convert-url-to-a-safe-filename

Reference NO 2

http://stackoverflow.com/questions/8485027/javascript-url-safe-filename-safe-string

Reference NO 3

http://stackoverflow.com/questions/1184176/how-can-i-safely-encode-a-string-in-java-to-use-as-a-filename

Reference NO 4

http://stackoverflow.com/questions/295135/turn-a-string-into-a-valid-filename-in-python

Reference NO 5

http://www.somacon.com/p584.php

Reference NO 6

http://code.google.com/p/stringencoders/wiki/WebSafeBase64

Reference NO 7

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Reference NO 8

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