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naming list members
Lists example from a Well House Consultants training course
More on Lists [link]

This example is described in the following article(s):
   • Writing more maintainable Perl - naming fields from your data records - [link]

Source code: escape Module: P208


# It's often better to name rather than number the elements when you split
# Read my linked blog article to find out why!

open (FH,"trains") or die;
while ($service = <FH>) {
        ($time, $cars, $place, $capa) = split(/\t/,$service);
        print "Train to $place at $time\n";
        }
print "-----------------------\n";

open (FH,"trains") or die;
while ($service = <FH>) {
        @flds = split(/\t/,$service);
        print "Train to $flds[2] at $flds[0]\n";
        }
print "-----------------------\n";

__END__

Sample output:

munchkin:s12perl grahamellis$ perl escape
Train to Southampton at 06:40
Train to Swindon at 07:11
Train to Southampton at 19:11
Train to Cheltenham at 19:50
-----------------------
Train to Southampton at 06:40
Train to Swindon at 07:11
Train to Southampton at 19:11
Train to Cheltenham at 19:50
-----------------------
munchkin:s12perl grahamellis$

Data file:

munchkin:s12perl grahamellis$ cat trains
06:40 2 Southampton 74
07:11 2 Swindon 72
19:11 2 Southampton 72
19:50 1 Cheltenham 73
munchkin:s12perl grahamellis$

Learn about this subject
This module and example are covered on the following public courses:
 * Perl Programming
 * Perl bootcamp
 * Learning to program in Perl
 * Perl Programming
Also available on on site courses for larger groups

Books covering this topic
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Other Examples
This example comes from our "Lists" training module. You'll find a description of the topic and some other closely related examples on the "Lists" module index page.

Full description of the source code
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