Perl Training in Bangalore

Perl Training

Topics Covered

Perl Course Contents 1. Introduction to Perl • What is Perl? • How to find Perl? • Features of Perl • A sample Perl program. • Running Perl programs. • Magic line/Interpreter line • Statements, Tokens and • print() • chop() • Literals • Escape Sequences • How to execute Unix commands in Perl? • Executing Commands at the command prompt 2. Operators in Perl • Types of variables • Scalar variables • Expressions and Assignments • Operators in detail with examples 3. Control Structures 4. Looping statements 5. Lists and Array variables • About lists • Storing lists in array variables • Accessing an array element • Assigning a new value to array • Arrays with negative indices • List range operator(..) • String lists and qw • Copying one array into another • Using array variables in lists • Assigning array variables to scalar variables • Finding the length of an array • Reading an array from standard input • Array library functions: chop(), sort(), reverse(), join(), split(), push(), pop(). Shift(), unshift(), delete(), splice(), map() 6. Reading and Writing to files • Opening files • File variables/handles vs file names • Closing files • Different file modes • test whether open() was success or not • reading file data into array variables • Redirecting standard input and standard output • Standard error file • Determining the file status • Reading from a sequence of files • Using command line arguments as values 7. Pattern Matching • Pattern matching operators • Special characters in pattern matching • Pattern matching options • Substitution operator • Translation operator • Extended pattern matching 8. Subroutines • Defining and invoking subroutines • Forward references to subroutines • Returning values from subroutines • Passing values to a subroutine • Calling one subroutine in another • Recursive subroutines • Passing arrays • Predefined subroutines: BEGIN, END, AUTOLOAD 9. Associative Arrays • Limitations of arrays • Defining associative arrays • Referring to associative arrays • Creating, copying associative arrays • Adding and deleting elements from associative arrays • Looping using associative arrays 10. Formatting the output • Defining and displaying the print format • Displaying values in a print format • Writing to other output files • Specifying page header • Setting page length • Formatting long strings • Formatting using printf() 11. Working with the file system • Basic IO functions • Skipping and re reading data • read and write functions • getc(), binmode • Directory manipulation functions: mkdir, chdir, opendir, closedir, readdir, telldir, seekdir, rewinddir, rmdir 12. Process, string and Mathematical functions 13. Scalar conversion and list manipulation functions 14. System library emulation functions 15. Command line options 16. Object oriented programming in Perl 17. Miscellaneous Perl features 18. Perl modules • Finding modules • Installing modules • Using simple modules