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Introduction
FAQs
Date and Time
An overview of dates and times and how to handle them in Perl
How do I find the number of days between two dates?
What Week Is It ?
Documentation
Downloading and installing Perl
How do I find documentation about modules, and the modules themselves?
How do I get the information I need quickly from the perl documentation?
How do I tell what version of a module is installed?
I am a complete beginner who knows nothing about Perl, and nothing about programming, where do I start?
Where do I find the documentation for ActiveState (Windows) Perl?
File I/O
Can I make changes to a file without using a temporary file?
How do I create a fixed width column file?
How do I get the size of a file in Perl?
How do I list the files in a directory?
How do I parse out part of a file from the middle of a file?
How do I print the first line of a file?
How do I read a file backwards?
Manipulating Text
Found in /usr/local/lib/perl5/5.8.8/pod/perlfaq9.pod
How can I access the individual characters in a string?
How can I count the separator characters in a string?
How can I run code that is in a string?
How do I remove a newline from the end of a string?
How do I split a string and keep the characters I split on?
Perl Thinking
Can I make changes to a file without using a temporary file?
How do I assign a value to a variable and modify it with a regular expression, in one statement?
How do I parse out part of a file from the middle of a file?
How do I return multiple variables from a subroutine?
What does the -w mean?
Perl Variables
How do I create an array from a string
How do I determine the length of something?
How do I initialize multiple variables in one statement?
How do I print a hash that has a hash within it?
Regular Expressions
How do I assign a value to a variable and modify it with a regular expression, in one statement?
How do I build a regular expression that will match sentences where each word starts with a capital letter?
How do I match brackets or other meta-characters in a regular expression?
How do I match urls in a regular expression?
How do I use regular expressions to match numbers?
System and OS
Copying a directory and all it's contents
How can I print to a terminal in color?
How do I call a system or third party program from perl?
How do I set permissions on directories and files from Perl?
How do I tell which operating system my perl program is running in?
How do I write binary files on a non-Unix OS?
World Wide Web
How can I retrieve the HTML for a URL and write it to a file?
How can I use Perl to test whether a WWW document is accessible?
How do I encode special characters into their HTML character entity representation?
Retrieving a list of file names from an ftp server
HOWTOs
HOWTOs
Comparing values in perl
HERE documents
Perl has no switch statements. How do I avoid a long if-else-if pattern?
Understanding the foreach keyword
Using if, elsif, else and unless
Perl builtin functions
Printing
Sorting
Using the Perl chomp() function
Using the Perl chop() function
Using the Perl grep() function
Using the Perl index() function
Using the Perl map() function
Using the Perl push() function
Using the Perl qw() function
Using the Perl rand() function
Using the Perl rindex() function
Using the Perl split() function
Using the Perl substr() function
Subroutines, methods and functions
How do I use subroutines from other perl files in my program?
Using Perl
Accepting user input
Dereferencing in perl
Determining length and size
Displaying a Text Message
Interpolation in Perl
Variables and data structures
Perl arrays
Writing secure Perl code
How do I use taint mode?
Tutorials
Connect to a database
HTML::DragAndDrop Talk
HTML::Tooltip::Javascript Talk
Introduction to References
Parse XML
Parsing CSV
Perl Arrays - a tutorial
Perl Modules
perlretut - Perl regular expressions tutorial
Retreiving web pages (LWP)
Sorting
Using the HTML::Parser module
Writing a CGI form
Writing a CGI script
Writing a CGI upload form
Writing a test harness
Miscellaneous
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30 most recent entries
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