ReNamer:Scripts:Xpdf

Script integrates Xpdf command line tool in order to extract PDF tags.

References:

• http://www.den4b.com/forum/viewtopic.php?id=349

Requirements

• pdfinfo.exe 3.03 in ReNamer's folder

Code

Author: Denis Kozlov. Date: 2013-04-01.

Modify the TAG constant to specify which tag you want to extract. For the list of available tags consult Xpdf web site or pdfinfo.exe command line tool.

• Tested with ReNamer 5.70.

{ Extract PDF tags using Xpdf }
 
const
  EXE = 'pdfinfo.exe';
  TAG = 'Title\s*\:\s*(.*?)[\r\n]';
 
var
  Command, Output: String;
  Matches: TStringsArray;  
 
begin
  Command := EXE+' "'+FilePath+'"';
  if ExecConsoleApp(Command, Output) = 0 then
  begin
    Matches := SubMatchesRegEx(Output, TAG, False);
    if Length(Matches) > 0 then
      FileName := Matches[0] + WideExtractFileExt(FileName);
  end;
end.