I find flags make flow hard to work out. Maybe it's only the way I think (or don't). What do you think of the following version of your loop, presuming I've successfully captured what you wanted to have happen? 
my $start_delim = qr/<\!--text[se]\d{3}-->/;
my $end_delim = qr/<\!--texte/;
while (<$prfore>) {
  if (/$start_delim/) {
    do {
      $_ = <$prfore>;
    } while !eof and /$start_delim/;

    for ( ; !eof and !/$end_delim/; $_ = <$prfore>) {
      s/\D{5}\s+$/\n/;
      $linevalis .= $_;
    }
  }
}

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In reply to Re: Another reason for perl beginners to read perldocs by thirdm
in thread Another reason for perl beginners to read perldocs by Don Coyote

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