This note explains the
following topics: Perl program structure, Variable types, Scalars , Pragmas ,
Operators , Arrays , Hashes , Control structures, Loop modifers, Subroutines ,
Reading and Writing a file, Filehandles , Regular expressions, Regex anchors and
operators, Running perl, POD tools, What is Bioperl, Gotchas , Objects in Perl,
Interfaces and Inheritance in Bioperl, Bioperl components, Parse a sequence from
file, output, Read in sequence and write out in different format, Sequence
Databases.
This PDF covers the
following topics related to Perl : Getting Started with Perl, Arrays, Hashes and
Loops, File Handling, Regular Expressions, Subroutines, References and Complex
Data Structures, Perl Modules, Interacting with external programs.
The aim of this note is to give you not just an understanding of the
workings of the perl interpreter, but also the means to investigate more about
it, to analyze and solve bugs in the Perl core, and to take part in the Perl
development process.
This note covers the following topics: the basics, arrays, program
arguments and conditionals,, reading and writing to files, more loops and some
math in perl, subroutines,, hashes associative arrays, string manipulation, more
regular expressions, file and directory manipulation, time and perl modules,
system commands, network modules, programming techniques and review.