Website for text treatment

The user uploads a document in txt format. In return is generated a csv file with strings ranked according to their frequency in the document. ## Deliverables **The provision supposes to:** - remove punctuation and various signs in order to isolate words, - find the longest strings first (the ones which appear more than once in the text) then list the single words appearing just once; - drop strings strictly shorter than four characters; - order strings according to their frequency, - mention strings length, - create a csv file. **Example:** Content of the text file uploaded: You are receiving this email because you are watching the topic "link to another page". This topic has received a reply since your last visit. You can use the following link to view the replies. Content of the csv file to be downloaded (columns strings, frequency, number of characters): you are 2 7 topic 2 5 link 2 4 this 2 4 following 1 9 receiving 1 9 received 1 8 watching 1 8 another 1 7 because 1 7 replies 1 7 email 1 5 reply 1 5 since 1 5 visit 1 5 your 1 5 last 1 4 page 1 4 view 1 4 Comment The string "you are" is listed because it appears twice (more than once), whereas the string "your are receiving" is not listed since it appears just once in the text. On the contrary, the word "following" is listed, even if it appears just once in the text, since it is a single word (with more than three characters).? **Other pages on the website**: Stats: a google counter for visits reporting hits for each page of the site, with alerts sent to the owner when important changes occur in the website frequentation, that is when there is too much change in site hits (visitors). Contact: a page to send an email to the website owner, with a protection against automated completion (a webmaster@[login to view URL] email address being set for replies). **Price proposed by bidders must contain:** Bug fixes during three months. The website availability for one year (hosting bought by the coder for one year and included in the cost). The delivery of all sources. The creation of the pages contact and stats. **Design requirements** Just a simple functional environment, efficiency (fastness to compute) prevailing over aesthetic. ** ** **Deadline:** It is important that the project is completely finished 25 days after the complete acceptance of the bid. Should it not be, the payment would be reduced by 25% per week.