perl - Leave only Nth text between two marker strings -

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i working on mac os , looking elegant solution below problem. since purely text related thought perl best choice?

  • i have data file on disk eg data.html (does not matter html)
  • it contains chinese characters (so file utf8 encoded believe)

  • its structure this:

    some top text text top styles text <h1>topic 1 text</h1> text applicable topic 1 formatting... <h1>topic 2 title</h1> text applicable topic 2...

i want write file each topic contains top text , styles. input os data.html output topic1.html, topic2.html...

assuming file simple , doesn't have other h1 tags, should work:

use strict; use warnings; use open qw(:std :encoding(utf8));  open $input, '<', 'data.html'; $content = join '', <$input>; close $input;  @parts = split /<\/?h1>/, $content; $top_text_and_styles = shift @parts; $count = 0; while (my ($topic, $body) = splice @parts, 0, 2) {     $topic_content = join "", $top_text_and_styles, $topic, $body;     $count += 1;     $output_name = "topic${count}.html";     open $output, '>', $output_name;     print $output $topic_content;     close $output; }

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