ASSIGNMENT #8
CGI-Programming

Reference material

Provide a Web interface to the functionality provided by the comp_seq program. This program receives two nucleotide sequences from the user and checks whether they are complementary.
  1. Create a .html file containing a Web form that receives two DNA sequences from the user.
  2. The form should invoke a cgi script (a modification of the comp_seq program) that receives the form's input, and outputs a nicely formatted HTML page to the user when the form's submit button is pressed. Nicely formatted means (at least) that the complementary sequences should be displayed as either "preformatted" text (using the <PRE>..</PRE> tags) or as a table.
  3. The modified program should reject sequences containing characters other than ACTG as invalid. Remove apaces and digits from the input before sequence validation.

    NOTE: Your cgi program must have a .cgi extension. It (like the .html file containing the form) must reside in your public_html directory (or within a subdirectory below it) and they must be readible "by the world". The cgi program must also be executable "by the world".

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