Perl Tutorial 123 - Regex: x Modifier - Add Comments 333 sec.
/ 4.00/5 (1 vote)
Part 123 of the Perl Tutorial shows how to use the x modifier in regular expressions to allow whitespace and comments to make regex's easier to read and understand.
Perl Tutorial 117 - Regex: Backreferences 467 sec.
Part 117 of the Perl Tutorial demonstrates the use of regular expressions backreferences to refer to previous successful matches.
Perl Tutorial 112 - Regex: Match a Digit, Word & White Space 600 sec.
Part 112 of the Perl Tutorial demonstrates some regular expressions such as matching the beginning and end of a line, match a digit, match a word character, match white space and match any character.
Perl Tutorial 111 - Default Variable 516 sec.
Part 111 of the Perl Tutorial explains the default variable which is the most used predefined variable in perl.
Perl Tutorial 110 - Output Record Separator 252 sec.
/ 5.00/5 (1 vote)
Part 110 of the Perl Tutorial uses the output record separator predefined variable to separate records easily.
Perl Tutorial 109 - Current Input Line Number 317 sec.
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Part 109 of the Perl Tutorial makes use of the current input line number predefined variable to count or fetch a number of records from a file.
Perl Tutorial 108 - Output Field Separators 256 sec.
Part 108 of the Perl Tutorial uses the predefined variables output field separators for the print operator and array values.
Perl Tutorial 100 - Store Data Structures on Disk 525 sec.
/ 5.00/5 (1 vote)
Part 100 of the Perl Tutorial shows how to store data structures on disk with the storable module and how to retrieve them later.
Perl Tutorial 97 - Chop & Chomp 282 sec.
/ 5.00/5 (1 vote)
Part 97 of the Perl Tutorial explains and demonstrates the chop and chomp functions.
Perl Tutorial 96 - Hashes of Arrays 380 sec.
/ 5.00/5 (1 vote)
Part 96 of the Perl Tutorial shows how to create and use multidimensional hashes of arrays.
Perl Tutorial 89 - Subroutine Prototypes 601 sec.
Part 89 of the Perl Tutorial shows how subroutine prototypes work. Define the type of data accepted by a subroutine.
Perl Tutorial 88 - Declaring Subroutines 388 sec.
Part 88 of the Perl Tutorial shows how to declare subroutines and how to call the subroutine from above or below the subroutine code.
Perl Tutorial 87 - Function Templates 225 sec.
/ 5.00/5 (1 vote)
Part 87 of the Perl Tutorial shows how to create function templates using closures. A bit like generating subroutines on the fly.
Perl Tutorial 86 - Closures: Initialize Subroutine with Data 227 sec.
/ 5.00/5 (1 vote)
Part 86 of the Perl Tutorial explains the use of closures to initialize a subroutine with data before using it and retain the scope of lexical variables.
Perl Tutorial 83 - De-Reference Using the Arrow Operator 598 sec.
/ 5.00/5 (1 vote)
Part 83 of the Perl Tutorial shows how to de-reference references using the arrow operator and how to omit the arrow operator when accessing multi-dimensional arrays.
Perl Tutorial 77 - Hard References 443 sec.
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Part 77 of the Perl Tutorial shows how to create hard references to variables, arrays, hashes and subroutines and how to de-reference those references and access the data.
Perl Tutorial 75 - Formats: Create a Multipage Report 527 sec.
/ 5.00/5 (1 vote)
Part 75 of the Perl Tutorial shows how to use Perl formats to create a multipage report from a datafile that can be printed out on a printer.
Perl Tutorial 74 - Formats: Create a Document Header 366 sec.
/ 5.00/5 (1 vote)
Part 74 of the Perl Tutorial shows how to use Perl formats to create a document header with a multiline list and write it to file.