Perl Computers & Programming

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View your printer's secret dots (fingerprints)

How to view your printer's secret dots (fingerprints)

Instead of watch CSI, employ your own technology investigation skills at home by determining your printers fingerprints. They don't have "real" fingerprints, but all printers do have a secret code ...

A- 5:44
Check & fix your address on Google Maps

How to check & fix your address on Google Maps

This may be a no-brainer for some people, but I had no idea you could change where an address showed up on Google Maps. I don't know how many times I've seen that little green arrow pointing to the wrong ...

A- 0:28
Mod a USB flash drive with Household Hacker

How to mod a USB flash drive with Household Hacker

Household Hacker has put together 11 ultra-geeky flash drive mods for you. You can easily mod your USB flash drive and put it into any casing of your choice. Check out the creative examples: an apple, an orange ...

A 2:12
Break up or avoid breaking up on Facebook

How to break up or avoid breaking up on Facebook

This is a film entitled "Facebook Manners: Responsible Relationships and You," which describes the dos and dont's of dating on the electric friendship generator: facebook. Check it out.

A- 4:14
Trace any IP address

How to trace any IP address

Ever wonder where that spammer lives? What about where your favorite website is? Simply find and search for their IP address to find the server locale. This is some useful information that could come in handy ...

A 0:58
106 how-to videos
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How to create text formats with Perl

Create text formats with Perl

This Perl Tutorial shows how to use Perl formats: Easily left and right justify and center text and create your own text formats.

B 9:30
Curated 1 year ago by Rube McGee | Comments 0
Views 254

How to de-reference using the arrow operator in Perl

De-reference using the arrow operator in Perl

This Perl Tutorial shows how to de-reference references using the ...more

B 9:58
Curated 1 year ago by Rube McGee | Comments 0
Views 719

How to emulate a browser with Perl

Emulate a browser with Perl

The Perl Tutorial shows how to use the LWP::UserAgent module to emulate a browser and download a web page's source code.

B 5:49
Curated 1 year ago by Rube McGee | Comments 0
Views 564

How to extract HTML links and images with Perl

Extract HTML links and images with Perl

How to use the HTML::LinkExtor module in Perl to extract the links and images from a web page.

B 7:17
Curated 1 year ago by Rube McGee | Comments 0
Views 1,037

How to extract HTML meta data with Perl

Extract HTML meta data with Perl

How to use the HTML::HeadParser module in Perl to extract the title, description, keywords, content type meta data etc. from between the ...more

B 7:13
Curated 1 year ago by Rube McGee | Comments 0
Views 1,572

How to fetch records from a file using Perl

Fetch records from a file using Perl

This Perl Tutorial makes use of the current input line number predefined variable to count or fetch a number of records from a file.

B 5:17
Curated 1 year ago by Rube McGee | Comments 0
Views 646

How to fetch, parse, and covert a web page to text with Perl

Fetch, parse, and covert a web page to text with Perl

How to use the LWP::Simple, HTML::TreeBuilder and HTML::FormatText ...more

B 9:30
Curated 1 year ago by Rube McGee | Comments 0
Views 366

How to fine files and directories with Perl

Fine files and directories with Perl

This Perl Tutorial shows how to use the File::Find module to find and search for files and directories on your computer or server.

B 8:44
Curated 1 year ago by Rube McGee | Comments 0
Views 190

How to generate an image map with Perl

Generate an image map with Perl

This Perl Tutorial explores using the CGI.pm module to generate an image map.

B 9:58
Curated 1 year ago by Rube McGee | Comments 0
Views 301

How to generate forms on the fly with Perl

Generate forms on the fly with Perl

This Perl Tutorial explores the CGI.pm module to create forms starting with a text box, password box, radio buttons and check boxes.

B 8:02
Curated 1 year ago by Rube McGee | Comments 0
Views 293

How to generate frames on the fly with Perl

Generate frames on the fly with Perl

This Perl Tutorial explores the CGI.pm module to generate a frameset and frames on the fly.

B 4:33
Curated 1 year ago by Rube McGee | Comments 0
Views 194

How to generate HTML on the fly with Perl

Generate HTML on the fly with Perl

This Perl Tutorial explores the CGI.pm module to create html tag shortcuts and to generate html web pages on the fly.

B 7:26
Curated 1 year ago by Rube McGee | Comments 0
Views 993

How to generate tables on the fly with Perl

Generate tables on the fly with Perl

This Perl Tutorial explores using the CGI.pm module to create tables.

B 7:00
Curated 1 year ago by Rube McGee | Comments 0
Views 243

How to get started with Perl

Get started with Perl

This Perl programming Tutorial features details on where to download Active Perl, where to download a good Perl Editor and how to say 'Hello ...more

B 3:46
Curated 1 year ago by Rube McGee | Comments 0
Views 316

How to get web pages' source code with Perl

Get web pages' source code with Perl

How to use the LWP::Simple module in Perl to get a web pages source code.

B 4:07
Curated 1 year ago by Rube McGee | Comments 0
Views 360

How to install a Perl module

Install a Perl module

How to use CPAN.pm to install a perl module on your computer as well as point out some minor problems like the .LOCK file and the NMAKE ...more

B 9:13
Curated 1 year ago by Rube McGee | Comments 0
Views 236

How to install, remove, and upgrade Perl modules with PPM

Install, remove, and upgrade Perl modules with PPM

This Perl Tutorial shows how to install, remove and upgrade modules ...more

B 3:48
Curated 1 year ago by Rube McGee | Comments 0
Views 267

How to open, read, and close a text file with Perl

Open, read, and close a text file with Perl

How to open, read, and close a text file, creating a handle for a file, when scripting in Perl.

B 6:17
Curated 1 year ago by Rube McGee | Comments 0
Views 684

How to parse a form with Perl

Parse a form with Perl

This Perl Tutorial teaches you how to use the CGI.pm module to parse a form.

B 7:18
Curated 1 year ago by Rube McGee | Comments 0
Views 311

How to print a block of text with Perl

Print a block of text with Perl

Perl Tutorial shows how to print a block of text with one print statement.

B 3:26
Curated 1 year ago by Rube McGee | Comments 0
Views 1,173

How to redirect web browsers with Perl

Redirect web browsers with Perl

This Perl Tutorial explores the CGI.pm module to redirect a web browser and how to redirect a browser with the Location function.

B 2:22
Curated 1 year ago by Rube McGee | Comments 0
Views 430

How to return an image from a Perl script

Return an image from a Perl script

This Perl Tutorial explores using the CGI.pm module to return an image from a script.

B 7:16
Curated 1 year ago by Rube McGee | Comments 0
Views 229

How to return values from subroutines with Perl

Return values from subroutines with Perl

This Perl Tutorial shows how to return values from subroutines with 'return'.

B 7:43
Curated 1 year ago by Rube McGee | Comments 0
Views 186

How to separate records with Perl

Separate records with Perl

This Perl Tutorial demonstrates how to use the output record separator predefined variable to separate records easily.

B 4:12
Curated 1 year ago by Rube McGee | Comments 0
Views 215

How to set and read cookies with Perl

Set and read cookies with Perl

This Perl Tutorial explores the CGI.pm module to set and read cookies.

B 5:57
Curated 1 year ago by Rube McGee | Comments 0
Views 207

How to set file permissions with Perl

Set file permissions with Perl

This Perl Tutorial explains the chmod function and how to set read, write and execute permissions for files and folders.

B 5:50
Curated 1 year ago by Rube McGee | Comments 0
Views 313

How to set the scope of variables with Perl

Set the scope of variables with Perl

This Perl Tutorial shows how to set the scope of variables with the 'my' and 'local' keywords in subroutines.

B 9:58
Curated 1 year ago by Rube McGee | Comments 0
Views 265

How to sort databases with Perl

Sort databases with Perl

This Perl Tutorial shows how to sort databases.

B 9:22
Curated 1 year ago by Rube McGee | Comments 0
Views 321

How to tell time with Perl

Tell time with Perl

This Perl Tutorial shows how to use the time function to format the time simply and in a more advanced way.

B 8:17
Curated 1 year ago by Rube McGee | Comments 0
Views 184

How to use basic regular expression when Perl scripting

Use basic regular expression when Perl scripting

This Perl Tutorial explains the most basic regular expressions and how ...more

B 10:00
Curated 1 year ago by Rube McGee | Comments 0
Views 354

How to use environmental variables when Perl scripting

Use environmental variables when Perl scripting

This Perl Tutorial explains how to capture and use environmental ...more

B 6:34
Curated 1 year ago by Rube McGee | Comments 0
Views 196

How to use file test operators when Perl scripting

Use file test operators when Perl scripting

This Perl Tutorial talks about file test operators: -e, -z, -s and -d.

B 6:52
Curated 1 year ago by Rube McGee | Comments 0
Views 255

How to use output field separators in Perl

Use output field separators in Perl

This Perl Tutorial uses the predefined variables output field separators for the print operator and array values.

B 4:16
Curated 1 year ago by Rube McGee | Comments 0
Views 198

How to use regex lookahead and lookbehind assertions

Use regex lookahead and lookbehind assertions

This Perl Tutorial demonstrates the use of regular expressions ...more

B 6:47
Curated 1 year ago by Rube McGee | Comments 0
Views 376

How to use regex quanitifiers in Perl

Use regex quanitifiers in Perl

This Perl Tutorial demonstrates regular expressions quantifiers.

B 10:00
Curated 1 year ago by Rube McGee | Comments 0
Views 257

How to use regular expressions assertions in Perl

Use regular expressions assertions in Perl

This Perl Tutorial demonstrates the use of regular expressions assertions.

B 9:34
Curated 1 year ago by Rube McGee | Comments 0
Views 132

How to use regular expressions backreferences in Perl

Use regular expressions backreferences in Perl

This Perl Tutorial demonstrates the use of regular expressions (regex ...more

B 7:47
Curated 1 year ago by Rube McGee | Comments 0
Views 301

How to use text slices with Perl formats

Use text slices with Perl formats

This Perl Tutorial shows how to use text slices with Perl formats and easily format a long string of text.

B 4:24
Curated 1 year ago by Rube McGee | Comments 0
Views 234

How to use the CGI.pm module in Perl

Use the CGI.pm module in Perl

This Perl Tutorial continues to explore the CGI.pm module to create meta tags, body attributes, images, links and formatting.

B 9:43
Curated 1 year ago by Rube McGee | Comments 0
Views 306

How to use the Date::Calc function in Perl

Use the Date::Calc function in Perl

This Perl Tutorial shows how to use the Date::Calc module to easily create a calendar, work out date differences, print dates, if leap year ...more

B 9:21
Curated 1 year ago by Rube McGee | Comments 0
Views 706

How to use the File::Compare function in Perl

Use the File::Compare function in Perl

This Perl Tutorial shows how to use the File::Compare module to easily check if two files contents are exactly the same.

B 5:23
Curated 1 year ago by Rube McGee | Comments 0
Views 244

How to use the Glob function when Perl scripting

Use the Glob function when Perl scripting

This Perl Tutorial explains how to use the glob function to get a list of files in a directory that match a certain extension type, (eg .txt ...more

B 7:15
Curated 1 year ago by Rube McGee | Comments 0
Views 310

How to use the map and grep functions when Perl scripting

Use the map and grep functions when Perl scripting

This Perl Tutorial explains the functions map and grep and gives ...more

B 6:52
Curated 1 year ago by Rube McGee | Comments 0
Views 279

How to use the qr operator in regular expressions in Perl

Use the qr operator in regular expressions in Perl

This Perl Tutorial shows how to use the qr operator to create compiled ...more

B 8:25
Curated 1 year ago by Rube McGee | Comments 0
Views 1,762

How to use the require function when Perl scripting

Use the require function when Perl scripting

This Perl Tutorial demonstrates the use of the require function to read information from other scripts.

B 5:15
Curated 1 year ago by Rube McGee | Comments 0
Views 207

How to use the While and Until loops when Perl scripting

Use the While and Until loops when Perl scripting

This Perl programming tutorial explains the while loop and the reverse ...more

B 8:11
Curated 1 year ago by Rube McGee | Comments 0
Views 549

How to use the x modifier in regular expressions in Perl

Use the x modifier in regular expressions in Perl

This Perl Tutorial shows how to use the x modifier in regular ...more

B 5:33
Curated 1 year ago by Rube McGee | Comments 0
Views 249

How to work with conditionals when Perl scripting

Work with conditionals when Perl scripting

How to use basic conditional statements (if, elseif, else, and unless) when Perl scripting.

B 5:49
Curated 1 year ago by Rube McGee | Comments 0
Views 224

How to work with directories with Perl

Work with directories with Perl

This Perl Tutorial shows how to program a script to open, read, close, make, change and remove directories.

B 7:06
Curated 1 year ago by Rube McGee | Comments 0
Views 178

How to work with subroutines when Perl scripting

Work with subroutines when Perl scripting

Learn the basics of using subroutines in Perl and how to declare them.

B 9:51
Curated 1 year ago by Rube McGee | Comments 0
Views 280

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New Super Hybrid Kicks Tesla Motors' Butt

Capstone's CMT-380 stealth looking prototype can hit 150mph, compared to Tesla's 125. Tesla better step it up. Says Engadget: "Rather than mixing batteries and a conventional engine, this whip ...

Super Robot Has Powers of Levitation

This robot hasn't levitated any humans yet (especially not pictured Days of Our Lives star Deidre Hall), but it looks like the sky may be the limit with the Robo-Air Jet System. Developed by Aaron ...

Smoke Bombs Make Beautiful Art

What is it about the infamous colored smoke bomb that is so deeply satisfying, so beautiful? Well, first there's an explosion (always fun), which then yields beautiful billowing clouds of saturated ...

$44K Street Legal Wooden SuperCar

Beautifully constructed wooden SuperCar Maniwa manufactured by Sada-Kenbi. The wooden Japanese car goes for $44,000. Wow. That's a lot for a toy. However, this baby is street legal and can go up to ...

Stomach Churning Taxidermy Fashion

Uh...yuck. Fun, but definitely yuck. Terrifying taxidermied jewelry and accessories by Reid Peppard. That's right, dead rodent cufflinks, change purses, bowties, bracelets... and a guinea pig hair ...

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