Very nice puzzle. Here is my solution:
use warnings;
use strict;
my @path;
my @data;
my $size = 0;
while(<DATA>) {
chomp;
$path[0] = $1 if /^([^|]*)$/;
$path[length($1)/3] = $2 if /^(.*\|--)([^-]+)$/;
if( /^(.*\|--)-([^-]+)$/ ) {
$#path = length($1)/3 - 1;
push @data, [ @path, $2 ];
$size = @path if $size < @path;
}
}
splice @$_, -1, 0, ('')x(1+$size-@$_) for @data;
print join( "\t", @$_ ),"\n" for @data;
__DATA__
A
|
|--B
| |
| |--C
| |
| |---PQR
| |---XYZ
|--D
| |
| |---LMN
|---XYZ
-
Are you posting in the right place? Check out Where do I post X? to know for sure.
-
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
-
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.
|