Print the percentage of each nucleotide, JAVA Programming

1. In this lab assignment we will be using the vim or emacs editor in addition to the commands we have already learned. Open a shell terminal and create a file named in your home directory (use only lowercase letters). In this lab you will construct a few short Perl programs that perform the actions specified below.

List of tasks

1. The following is a section of a program. Show the value of each variable at each step:

@array = (0, 2..6,"abc");         what is @array?

$a = pop(@array);                  what is $a?

$b = shift (@array);                what is $b?

what is @array?

2. Read each of the words contained in the array @ARGV. Print words and the number of their occurrence to standard output line by line (note: case matters here). For example, if your script is called "count.pl", then executing ./count.pl the test program Test the word generates

test                  1

Test                 1

the                   2

word                 1

program           1

3. Read in the file dna.seq (in ~afigueroa/csci2344/lab9) and count the number of As, Ts, Cs. and Gs. Print the percentage of each nucleotide. Note: your program should be case insensitive.

Posted Date: 3/1/2013 5:46:42 AM | Location : United States







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