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Think about Loose Coupling

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Okay, Being that I talk to zdog and really respect his level of programming skill, I decided I'd explain how this one went because while it's somewhat simple, zdog was very creative with it and I like it more than most.

First we'll make it look more recognizable and throw in some quick commentary
#!/usr/bin/perl -w # cooking with perl -- "mmm I hope it's +pie" use strict; { $_.=<DATA>; # read one line of <DATA> redo if !eof(DATA); # read all of data into $_ } s/[ \n3A-Z]//g; # delete any newline, any digit '3'and any A- +Z s/000/032/g; # switch any 000 with a 032 my @z = split //; # Puts $_ into the array @z for (my $i=0;$i<24;$i++) # 23 loops { $_[@_] = "$z[@_*3]$z[@_*3+1]$z[@_*3+2]" # Chops $_ into three digit + sections } my $z; map $z .= chr($_),@_; # maps each three digit sequence into chr($_) to + create each letter in the japh $_ = $z."\n"; #Throws a new line to the end of the $z and stores it in +to $_ print; # prints $_

Now for a line by line description:
Line 1-2 These are of course self explanatory
Line 3-6 This little construct will read all of <DATA> into $_ ending when DATA ends of course
Line 7 The regex here takes out all of the newlines, all the digits'3' and all any alpha numeric ( capital of course ). Which leaves us with the following string07411711511603209711011101161041011140320801011141000072097099107101114 ( hope I didn't miss any )
Line 8 Switches all 000's in the above string with 032
Line 9 Throw $_ into the array @z
Line 10-13 This for loops mercilessly hacks the digit string into sections of three digits. Giving us the following:
074 117 115 116 032 097 110 111 116 104 101 114 032 080 101 114 100 007 209 709 910 710 111 4
Line 14 Declares $z
Line 15 maps the character representation of each three digit piece into $z
Line 16 Adds a new line to $z and assigns it to $_
Line 17 Prints $_ and thus prints "Just Another Perl Hacker"

I was very impressed with this and hope my explination was adequate.

Iron Chef Macphisto
Next episode I'll show you how to make Perl Pie
Addendum: zdog noted that I had mistyped and said the for loop iterates 23 times when it really iterates 24 times. I was typing too fast.

Everyone has their demons....

In reply to Re: Cooking with Perl explained by Iron Chef Macphisto by Macphisto
in thread Cooking with Perl by zdog

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