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lamegaton/Perl_for_speed.md

Last active March 24, 2021 22:17
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Learning Perl
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Perl_for_speed.md

Hi everyone, today I decide to learn Perl because its quick text processing capability.
I like to solve practical problem so here I'll show you how I solve each problem using Perl.
*Strawberry Perl 5 (windows) is used for this tutorial.

1: How to convert from 1 column to multiple column

So in this problem, I have a column with alternative value such as

Elephan
10
Shark
12
Turtle
30

As you can see, odd row is the name and even row is the age of each animal. I want to separate odd and even row then save it as CSV file such as:

Animal Ages
Elephan 10
Shark 12
Turtle 30

First, assuming you already have Perl on your PC, we can run perl with one line by using

perl -e "<YOUR CODE>"

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