01-30-2011
Changing file content based on file header
Hi,
I have several text files each containing some data as shown below:
File1.txt
HTML Code:
>DataHeader
Data...
Data...
File2.txt
HTML Code:
>DataHeader
Data...
Data...
etc.
What I want is to change the 'DataHeader' based on the file name. So the output should look like:
File1.txt
HTML Code:
>File1
Data...
Data...
File2.txt
HTML Code:
>File2
Data...
Data...
Is there any unix command or shortcut to do that?
Thanks.
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LEARN ABOUT DEBIAN
html::treebuilder::libxml
HTML::TreeBuilder::LibXML(3pm) User Contributed Perl Documentation HTML::TreeBuilder::LibXML(3pm)
NAME
HTML::TreeBuilder::LibXML - HTML::TreeBuilder and XPath compatible interface with libxml
SYNOPSIS
use HTML::TreeBuilder::LibXML;
my $tree = HTML::TreeBuilder::LibXML->new;
$tree->parse($html);
$tree->eof;
# $tree and $node compatible to HTML::Element
my @nodes = $tree->findvalue($xpath);
for my $node (@nodes) {
print $node->tag;
my %attr = $node->all_external_attr;
}
HTML::TreeBuilder::LibXML->replace_original(); # replace HTML::TreeBuilder::XPath->new
DESCRIPTION
HTML::TreeBuilder::XPath is libxml based compatible interface to HTML::TreeBuilder, which could be slow for a large document.
HTML::TreeBuilder::LibXML is drop-in-replacement for HTML::TreeBuilder::XPath.
This module doesn't implement all of HTML::TreeBuilder and HTML::Element APIs, but enough methods are defined so modules like Web::Scraper
work.
BENCHMARK
This is a benchmark result by tools/benchmark.pl
Web::Scraper: 0.26
HTML::TreeBuilder::XPath: 0.09
HTML::TreeBuilder::LibXML: 0.01_01
Rate no_libxml use_libxml
no_libxml 5.45/s -- -94%
use_libxml 94.3/s 1632% --
AUTHOR
Tokuhiro Matsuno <tokuhirom slkjfd gmail.com>
Tatsuhiko Miyagawa <miyagawa@cpan.org>
Masahiro Chiba
THANKS TO
woremacx++ http://d.hatena.ne.jp/woremacx/20080202/1201927162
id:dailyflower
SEE ALSO
HTML::TreeBuilder, HTML::TreeBuilder::XPath
LICENSE
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2012-04-02 HTML::TreeBuilder::LibXML(3pm)