How to find untagged audio files? Post: 302483006

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Top Forums UNIX for Dummies Questions & Answers How to find untagged audio files? Post 302483006 by radoulov on Thursday 23rd of December 2010 09:56:58 AM

12-23-2010

Registered User

Quote:

To squeeze it a little more.. would something like this be possible?

Yes,
I should confess that I have completely forgotten that in awk arrays are passed by reference when used as parameters Smilie

I was about to respond that you can do it in Perl, but not in awk.

Yes, you can:

Code:

find . -type f -name '*.[Mm][Pp]3' -exec id3 -Rl {} + -o \
               -name '*.[Ff][Ll][Aa][Cc]' -exec metaflac --show-md5sum \
                  --with-filename --export-tags-to=- {} + -o \
               -name '*.[Oo][Gg][Gg]' -exec sh -c 'echo "$0";vorbiscomment -lRe "$0"' {} \; |
  awk 'BEGIN {
    id3n        = split("album artist title track",          id3_tags)
    vorbisn     = split("album artist title tracknumber", vorbis_tags)
    vorbisfile  = "\\.([Ff][Ll][Aa][Cc]|[Oo][Gg][Gg])$"    
    ignorepatt  = "^ *(unknown|track *[0-9]*)* *$"    
    }
  
  /^Filename/ || $1 ~ vorbisfile {
    if (fn)
      fn ~ vorbisfile ? check_tags(vorbisn, vorbis_tags) : check_tags(id3n, id3_tags)
    fn = /^Filename/ ? $2 : $1; f = x        
     }
  
  { 
    if (split($0, tmp, "=") == 2) { $1 = tmp[1]; $2 = tmp[2] }
    tags[tolower($1)] = $2 
      }
  
  END { fn ~ vorbisfile ? check_tags(vorbisn, vorbis_tags) : check_tags(id3n, id3_tags)  
      printf "\n"
      }
  
  func check_tags(limit, tagarray,    f) {
   for (i = 1; i <= limit; i++) {
      if (tolower(tags[tagarray[i]]) ~ ignorepatt) {
        invalid_tags[tagarray[i]] = tags[tagarray[i]]; f || f++ 
        }
      }
    if (f) {
      printf "%s%s *** missing/invalid tags: ", RS, fn
        for (t in invalid_tags)
          printf "[%s=\"%s\"]", t, invalid_tags[t]
      printf " ***"  
      }    
    split(x, tags); split(x, invalid_tags)
    
    }' FS=:

To clear the output further, you could remove the empty spaces in the missing tags.

radoulov

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taggrepper

TAGGREPPER(1)							   User Commands						     TAGGREPPER(1)

NAME

       taggrepper - search and match tags of media file for regular expressions

SYNOPSIS

       taggrepper [--tag-label regexp]... [--display-taglabel]... [FILE/DIRECTORY]...

DESCRIPTION

       Perform a regular expression search on the tags of specified media files.

       Mandatory  arguments  to  long options are mandatory for short options too. All regular expressions are Perl Compatible Regular expressions
       supported by the PCRE libraries. Note that all matches are ANDed, meaning that for a successful match, matches against all tags must occur.

       Support exists for MP3 files, and, if compiled in, for Ogg Vorbis and FLAC files as well.

       -t, --title=REGEXP
	      Match the title tag against REGEXP

       -a, --artist=REGEXP
	      Match the artist tag against REGEXP

       -l, --album=REGEXP
	      Match the album, tag against REGEXP

       -y, --year=REGEXP
	      Match the year tag against REGEXP

       -g, --genre=REGEXP
	      Match the genre tag against REGEXP

       -c, --comment=REGEXP
	      Match the comment tag against REGEXP

       --track=REGEXP
	      Match the track tag against REGEXP

       -c, --composer=REGEXP
	      Match the composer tag against REGEXP

       -o, --orig-artist=REGEXP
	      Match the original artist tag against REGEXP

       -c, --copyright=REGEXP
	      Match the copyright tag against REGEXP

       -u, --url=REGEXP
	      Match the URL tag against REGEXP

       -e, --encoded-by=REGEXP
	      Match the encoded-by tag against REGEXP

       --any-tag=REGEXP
	      Match the encoded-by tag against REGEXP.	Using this option makes every one of the above options to be ignored

       --display-title
	      display title tag of matching files

       --display-artist
	      display artist tag of matching files

       --display-album
	      display album tag of matching files

       --display-year
	      display year tag of matching files

       --display-genre
	      display genre tag of matching files

       --display-comment
	      display comment tag of matching files

       --display-track
	      display track tag of matching files

       --display-composer
	      display composer tag of matching files

       --display-orig-artist
	      display orig-artist tag of matching files

       --display-copyright
	      display copyright tag of matching files

       --display-url
	      display url tag of matching files

       --display-encoded-by
	      display encoded-by tag of matching files

       -0, --print0,
	      Use null character as delimiter. This option can be used with -0 option of xargs.

       -r, --recursive
	      Search directories recursively

       -v, --version
	      Display version and exit

       -h, --help
	      Display this help message

       All regular expressions are PCRE regular expressions.  Refer  to  the  PCRE  documentation  for	details.   Report  comments  and  bugs	to
       a.kumar@alumni.iitm.ac.in

COPYING

       Copyright (C) Kumar Appaiah

       License: BSD License (see COPYING file in the distribution tarball for details)

       This  program  is  free	software;  you	can  distribute  it  under  the  terms of the BSD License. See the file COPYING in the tarball, or
       /usr/share/common-licenses/BSD on Debian-based systems.

SEE ALSO

       pcre(3)

taggrepper 0.01 						     July 2009							     TAGGREPPER(1)