Hi friends : All these 14 Q's are from my last year exam paper i took from library and i am trying to solve them ...i want to solve them in a very best way so if they will come in exam this time again then i would answer them most happyily. Please help me . 1 Describe the main features of perl .What are its characteristics which makes it suitable for Bioinformatics ? 2 What is a file handle ? How they are similar to streams ? 3 What are scalar variables ?Discuss various types of variables used in perl with examples. 4 Describe named Unary and file operators with examples. 5 Write a perl program that asks the user to enter a name and a number n and prints the nth letter in the name. 6 what are global and scoped declarations in perl ? Write perl script to explain the same . 7 How we do loop control with next last and redo ? Where we should use them and where not ? 8 What are regular expressions ? Explain in detail its most important elements ? 9 Write a perl program which takes file name as arguments and counts lines in file with (a) Letter X (b) String the 10 What are subroutines ? How it differs from a procedure ? Explain with example how parameters are passed in subroutines. 11 Write a perl program which reads a file into a hash array. 12 Write a perl script which compares and concatenates two strings. 13 What for formats are used in perl ? How we can access formatting internals ? 14 What are hashes ? Describe all functions relevant to hashes.

In reply to New to perl by Monk_perl

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.