Created
November 24, 2013 14:57
-
-
Save 2sin18/7628127 to your computer and use it in GitHub Desktop.
Sync information between BibTeX file and PDF XMP
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/perl -w | |
| # Sync the information between BibTeX and PDF XMP. | |
| # sam.yuen@foxmail.com | |
| use strict; | |
| use warnings; | |
| use POSIX; | |
| use Getopt::Std; | |
| use File::Basename; | |
| use File::Find; | |
| use File::Spec; | |
| use Text::BibTeX; | |
| use PDF::API2; | |
| $|++; | |
| my $pwd = getcwd(); | |
| my %options; getopts('f:', \%options); | |
| my $attachment = $options{'f'} || 'file'; | |
| my $bibpath = shift || '$pwd/documents.bib'; | |
| $bibpath = File::Spec->rel2abs($bibpath) if !File::Spec->file_name_is_absolute($bibpath); | |
| my $bibdir = dirname($bibpath); | |
| chdir($bibdir); | |
| if (-e $bibpath) { | |
| my $bibfile = Text::BibTeX::File->new($bibpath); | |
| while (my $entry = new Text::BibTeX::Entry $bibfile) { | |
| next unless $entry->parse_ok && $entry->metatype == BTE_REGULAR; | |
| if ($entry->exists($attachment)) { | |
| my $path = $entry->get($attachment); | |
| next if (!defined $path || $path !~ m/:application\/pdf$/); | |
| $path =~ s/:application\/pdf$//g; | |
| $path =~ s/^.*://; | |
| $path = File::Spec->rel2abs($bibdir."/".$path) | |
| if !File::Spec->file_name_is_absolute($path); | |
| next if (!-e $path); | |
| print "$path is not processed correctly.\n" | |
| if !eval { | |
| my $file = PDF::API2->open($path); | |
| my %xmp = $file->info(); | |
| my $title = $entry->get('title'); | |
| $xmp{'Title'} = $title if defined $title; | |
| my $author = $entry->get('author'); | |
| $xmp{'Author'} = $author if defined $author; | |
| my $keywords = $entry->get('keywords'); | |
| $xmp{'Keywords'} = $keywords if defined $keywords; | |
| my $subject = $entry->print_s; | |
| $xmp{'Subject'} = "BibTeX:".$subject if defined $subject; | |
| $file->info(%xmp); | |
| $file->update(); | |
| print "bibtex xmp is added to $path\n"; | |
| }; | |
| } | |
| } | |
| $bibfile->close; | |
| } | |
| else { | |
| my @pdfpaths; | |
| find(sub { | |
| my $path = $File::Find::name; | |
| return if -d $path || $path !~ m/\.pdf$/; | |
| push @pdfpaths, $path; | |
| }, $bibdir); | |
| my $pdfpath_count = @pdfpaths; | |
| return if $pdfpath_count == 0; | |
| open BFH, ">", $bibpath or die $!; | |
| foreach my $path (@pdfpaths) { | |
| print "$path is not processed correctly.\n" | |
| if !eval { | |
| my $file = PDF::API2->open($path); | |
| my %xmp = $file->info(); | |
| my $subject = $xmp{"Subject"}; | |
| if ($subject =~ m/^BibTeX:/) { | |
| $subject =~ s/^BibTeX://; | |
| printf BFH $subject; | |
| } | |
| }; | |
| } | |
| close BFH; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
bibpdf.pl /path/to/docs.bibto sync information from the .bib file to PDFs.bibpdf.plto sync information from PDFs in current directory to a .bib file.