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How to connect to a database from a Perl program? Let us see in this article how to connect to Oracle and read from a table.  As a    In this article, we are going to see how to read name of a student from the students table. my $dbh = DBI->connect(dbi:Oracle:xe,  scott, tiger) or           die Cannot connect to DB =>  . DBI->errstr; The above program when run will print the First Name and last name of the student whose id is 10000. In this article, we will see more awk alternatives for the frequently used grep commands. This is in continuation to the grep vs awk - Part The variable x contains the search pattern. Using grep, the variable can directly be used. In awk, the variable cannot be used directly. It needs to be pas*ed to awk from shell using the -v option. More about the variable pas*ing   Array, as in any programming language, is a collection of elements. These elements need not be of the same type. One important difference here is shells support only one-dimensional arrays. 1. CREATING AN ARRAY:    Creating an array is pretty simple. How to find the list of files in Perl  like the UNIX find command? The answer is File::Find    File::Find module contains 2 modules: find and finddepth. Both are used to find the files, the difference being the order in which the files and directories are parsed. find has all the options like the Unix find command examples of how to remove or delete characters from a file. The syntax of sed command replacement is: Enter your email address to receive new articles by email as we post it!!!