doctype - How to trigger Perl multiline substitution -


i have folder of html files have below doctype declaration need remove, not-very-good parser can load xml.

i've been trying use perl substitution in place, no change made when run substitution , can't figure out why. can identify correct flags or specification need make in order remove doctype processing instruction here.

here's example file i'd manipulate.

<!doctype html public "-//w3c//dtd xhtml 1.0 strict//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-strict.dtd">  <html xmlns="http://www.w3.org/1999/xhtml"> <head>   <meta name="generator" content=   "html tidy linux/x86 (vers 25 march 2009), see www.w3.org" />   <title></title> </head>   <body>   </body> </html>

here's perl one-liner i'm trying use, looks angle brackets, exclamation mark, , before close angle bracket. incorporates perl substitution flags other postings suggest should work multiline match - m multiline, s allowing newlines matched regex. i'm replacing match empty string.

perl -i -e 's/<![^>]+>//gsm' `find . -name '*.html'`

i can't figure out why, doctype not removed file after running command. else know why?

what need -0777 switch cause entire file read single string. if not used, files read in line-by-line mode, , can never match multi-line statement way.

also, andomar points out, missing -p switch, assume figured out.

the modifiers on regex won't matter in case, except /g modifier. /m affects ^ , $, , /s causes wildcard . match newlines. none of applies regex.

so basically, want like:

perl -0777 -pi -e 's/<![^>]+>//g' ...

side note:

html should handled parsers, ideally, spent few minutes working on using html::parser has convenient option strip declarations adding handler. seems print ok single file:

perl -mhtml::parser -we '     $p = html::parser->new(default_h => [sub {print @_},'text'] );      $p->handler(declaration => '');      $p->parse_file(shift) or die $!; " yourfile.html

i figured overkill abandoned trying fix -pi in-place edit switches, (probably) implemented in script.


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