Metadata is commonly referred to as "data about data", and is often used for cataloging, indexing, and managing files in a computer.

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24
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9answers
44k views

Is there any way to prevent a Mac from creating dot underscore files?

At work we're letting one of our very tech savvy clients actually help out a little with a few development projects specific to him. However, he uses his own personal Macbook, and as he edits files on ...
14
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3answers
30k views

Strip metadata from all formats with FFmpeg

How can I remove all metadata from all formats via FFmpeg? I can just set special metadata for each format per man ffmpeg. Any option or method to clear all metadata and strip media from all metadata ...
0
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1answer
40 views

Acrobat PDFMaker 11 for Word export to PDF and the persistance of metadata of 3rd Party templates

I'm in the Linux world. If I take a 3rd party template in LibreOffice, for example, modify it and export that to a pdf, the metadata will show that Nodak is the author of the document, as Nodak is ...
1
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0answers
32 views

How do I sort photos from two identical smartphones based on exif data?

Description of Problem: I use Dropbox to synchronize photos from my smartphone to my laptop. I have used a command-line utility in the past called jhead to automatically sort and rename the photos ...
1
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1answer
343 views

Editing metadata of H.264 MP4 videos

Windows lets me edit some metadata fields of H.264 encoded videos, such as “Title” and “Comments.” Such data seem to be preserved inside the file itself, which is what I want. Some applications make ...
0
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1answer
181 views

How can I edit video (specifically mp4) metadata?

I have a few video files that are 1080p video files, but for some reason, they don't have any metadata for bitrates (audio, video, or total) or anything like that. I first noticed this when I looked ...
0
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0answers
8 views

track file copies using meta data [duplicate]

If I have many files in one directory and some are actually a copy of another, for example: $ ls file1 file2 file3 $ cp file1 file_now Is there a way, if I did not already know or do the cp ...
1
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0answers
130 views

Removing metadata with PowerPoint 2011

I'm looking for a solution to remove metadata from .PPTX files on Mac with PowerPoint 2011. On Windows, there is a Microsoft utility called Document Inspector. Does anyone know of anything similar on ...
0
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1answer
376 views

What kind of metadata can be stored in m4a files?

I have a collection of voice recordings from my Android phone, all stored in .m4a files. I would like to know the date of the recording, but the file timestamps have all been set to the date at which ...
1
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2answers
4k views

ffmpeg edit avi metadata and audio track naming

I have a bunch of movies in avi format on my disk. However, they don't contain any metadata like title etc. I found a command which would do it for me : ffmpeg -i input.avi -metadata ...
4
votes
1answer
52 views

How does an os know an application was downloaded from the web?

I download a compressed tar file; I uncompress it; I run make, compiling a large number of object files that are then linked to make an executable, which is embedded in a (Mac OS X) application. I ...
0
votes
1answer
221 views

How to get absolute server path of downloaded file

I have downloaded a file from a page with url download.php?id=312, which 'attaches' a file from the server. Can I somehow find the absolute path to the file on the server, i.e., the real path - not ...
1
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1answer
269 views

Conditional statements in foobar2000 sort syntax

My music files are tagged with some custom tags, which for some reason aren't entirely standardized. This is probably due to some peculiarity with my MusicBrainz Picard set-up, but that is beside the ...
1
vote
1answer
147 views

Are there any ways to protect files “Date Created” metadata?

I've recently been going through and reorganising old photos - and came across many cases where the Date created metadata would not reflect the date the photos were taken (or scanned in) but instead ...
2
votes
1answer
361 views

Plex - Video Podcast Metadata Agent

Is anyone aware of the ability to have Plex read video podcast metadata so that Plex will show a video podcast similarly to a TV Show or Movie, where the title, description, and poster art are ...
0
votes
1answer
630 views

Correcting disc number metadata and album titles in iTunes

I've got lots of CDs which were tagged and then imported into iTunes in the following format: Cream Classics (disc 1) Cream Classics (disc 2) Cream Classics (disc 3) What I would like to do is set ...
21
votes
6answers
21k views

What software can I use to read png metadata?

I know that I can create a simple little Qt based application that adds and read png metadata, using the QImage.setText(...) and QImage.text(...). That metadata can then be read with a linux command ...
1
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1answer
53 views

Delete metadata in multiple files

How do i use Find and Replace in Files in Notepad++ to delete the following lines from multiple files? <meta name="perc_linkback" id="perc_linkback" content="xxxxxxxxxxx"/> and <link ...
0
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0answers
285 views

Why does Adobe Acrobat Pro DC sanitize and remove hidden information double document size?

I'm using Adobe Acrobat Pro DC on Mac OS X Yosemite and find that when I run the Sanitize or Remove Hidden Information tools the document size grows dramatically. For example, my Acrobat file of 21 ...
0
votes
1answer
250 views

Git Installation Returns Error 404 On RHEL

I am trying to install Git in my REHL but failed. I have also clean up metadata and everything else by running sudo yum clean metadata and sudo yum clean all but still, the error persists again and ...
0
votes
1answer
308 views

Embed AMF metadata into MP4 with ffmpeg

Is it possible to manually embed timed text metadata into MP4 files? I have a TTML / SRT file with the metadata. I just need to embed the text data without doing anything to the video/audio tracks. ...
1
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0answers
282 views

Ffmpeg not copying location metadata

I'm converting vidoes and even though I"m using -map_metadata 0 ffmpeg -i input.mp4 -map_metadata 0 output.mp4 The above code defaults to libx264/libvo_aacenc. The location metadata is not copied, ...
2
votes
6answers
3k views

Tool to modify properties/metadata of a PDF? i.e. Change “Title”, “Author”? Sony Reader showing some books as “untitled.”

I own a Sony Reader PRS-600 ebook reader. I bought a ton of Manning Publications ebooks (DRM-free) recently. Many of the books are PDFs since not all the ones I wanted are available in epub format. ...
2
votes
1answer
67 views

Does ffmpeg support setting the description tag on a per-stream basis?

I'm attempting to set a description tag for each of two audio streams within an mp4 file. I'm using a command line similar to this (I've simplified): ffmpeg -i old_movie.mp4 -map 0:0 -c:v copy -map ...
1
vote
1answer
63 views

Can each page in a PDF contain its own metadata?

Is it possible to have the same field names, but with different metadata values for each page in a PDF? For example, let's say each page could have the fields 'author', 'document reference', ...
1
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0answers
29 views

How to add metadata (source of the dataset) to a file (dataset)?

I usually have to download datasets from websites through a point-and-click system that is difficult to replicate in a Makefile. In these cases, I want to include as much metadata about how I ...
1
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1answer
87 views

Does a CD-R store information about the computer which created it? [duplicate]

I'm most interested about this in Windows computers. When you burn a CD or DVD, does the disc contain metadata or some other information about the computer which burned it (i.e., computer name, owner, ...
0
votes
0answers
268 views

FFmpeg - Transcode video and keep original EXIF metadata in the transcoded file?

I am trying to transcode a video from a .mov (recorded with the iPhone) and add the original metadata (EXIF) to transcoded file, how can I achieve that? The original video contains EXIF metadata, etc. ...
0
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0answers
7 views

Swap tracks of a Matroska file by just editing the metadata

I have a bunch of Matroska files, each of which has two audio tracks and two subtitle tracks. I want to swap these tracks: Make the first (resp. second) audio track become the second (resp. first) ...
3
votes
1answer
92 views

Understanding metadata usage behavior in a newly converted btrfs filesystem

I have a 5 TB hard drive with 3.3 TiB (as reported by du) of media files in 119k files and directories; the average file size was about 28 MiB. I converted the ext4 partition into btrfs with ...
0
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0answers
445 views

How to change scan type / field order in video's metadata?

VLC plays my 50i H.264 MOV incorrectly when I try to do Deinterlace = on and Deinterlace mode = Yadif 2x. The video is jumpy like crazy. Looks like it's detecting the field order incorrectly. So what ...
1
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0answers
15 views

Converting files saved as GIFV [duplicate]

I have a bunch of files I've saved as gifv, and now I can't find any programs to open them. Is there anyway to take the gifv files and convert them either into gif or MP4 files so that I can view ...
13
votes
2answers
2k views

How to reuse/extend etckeeper's metadata engine for git control of non-/etc filesystems, or extend git natively with said capability?

Overview + question I want etckeeper-like filesystem metadata control for non-/etc, git-controlled directories. Home and web-app directories, among others, are classically sensitive to metadata ...
2
votes
0answers
164 views

Copy creation_date metadata when converting video with ffmpeg

I want to convert a bunch of old videos to H.264 to save space, but ffmpeg always drops the creation date, no matter what fancy -map_metadata variations I use. This is obviously a huge dealbreaker for ...
0
votes
0answers
284 views

How can Recovery tools recover file's metadata?

According to articles about File system on Wikipedia, file's metadata should be saved in area of file system itself so if we format that drive, it's file table and file system will be erased though ...
1
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3answers
2k views

How to batch rename files based on file header/metadata in Windows?

I have a directory full of randomly named files of different types, all with no file extensions. Most are images, with some videos, and some plaintext. I've used one of the Windows versions of file to ...
0
votes
1answer
101 views

Merge .AppleDouble forks with original files

I used to place my iTunes’s media folder on a NAS accessed through AFP and, as you may know, the OS also placed several .AppleDouble files on it. Now, my NAS isn’t working as expected and the only ...
3
votes
2answers
15k views

How to automatically fix MP3 Genre and Year tags?

All the Artist/Album tags on my MP3 collection are fine, but the Genres and Year tags are all horrendous. For Genre, songs just seem to be all over the place. It classifies Iron Maiden is ...
-1
votes
1answer
40 views

How does Adobe restrict .psd files for new versions of their software?

How does Adobe prevent users from opening a Photoshop CC .psd file to open with a previous Photoshop version like CS2 and is there a way to remove the restriction?
0
votes
0answers
73 views

Windows: how to enable tags on old image files?

I have a lot of old photos which I want to tag. For cross-platform compatibility, I want to use IPTC Keywords for tagging. As far as I read, the native Windows photo tagging capabilities use IPTC ...
1
vote
2answers
803 views

How to automatically save a source URL when saving an image in Firefox under Windows?

How could I automatically record the original URL of an image when saving an image from a webpage in Firefox under Windows? The URL could be written, for example, as metadata in the image EXIF. How ...
5
votes
1answer
7k views

Prevent Windows Explorer from trying to extract metadata

Windows Explorer (Windows 7 x64) crashes when it sees allegedly corrupted .wav files. I'm dealing with this problem and the hotfix outlined in "High CPU usage in the Explorer.exe process when you open ...
0
votes
1answer
225 views

Display audio/video stream title and duration of file in Nautilus folder

Nautilus can be configured to show metadata about a file, such as a thumbnail of the media, the timestamp, the file size, etc., accompanying the file's icon in the folder view. Nautilus is also ...
1
vote
2answers
321 views

How to add metadata and cover to an audio file in Windows 8? [closed]

I am using Windows 8 have some MP3 files with the album cover embedded. I convert them to AAC (Advanced Audio Codec) format in order to gain some space. The problems is that after I converted them, ...
0
votes
0answers
77 views

How can I extract metadata (particularly length) from a folder of many audio files in Windows 7?

I have a folder with hundreds of audio files, and the main information I want is the length. I can view it in Windows explorer, but I don't know how to extract it to put it into an Excel file so I can ...
1
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1answer
146 views

Erroneous volume level shifts using ffmpeg to convert AC3 in M2TS to WAV

I using ffmpeg to extract audio from non-commercial bluray m2ts video files, for subsequent loudness analysis in AudioLeak or Dolby Media Meter. The m2ts sometimes have AC3 audio and sometimes have ...
1
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0answers
35 views

Need to describe the relationship and data flow between documents [closed]

I have a set of documents: reports as well as Excel sheets containing data and I now need a way to describe the relationship between these two types of files i.e. which reports take their data from ...
1
vote
2answers
124 views

What's the best approach to copy Macintosh data between two NAS devices?

I have an old NAS formatted to Ext4, but which I primarily access from Macintoshs via AFP. It therefore has a bit of Macintosh-only metadata (which only seems to be visible when accessing via AFP). I ...
0
votes
2answers
29 views

How can I extract voice memos from a large set of JPGs?

I have thousands of JPEG files from many different photographers. Some of the files have embedded voice memos (a short audio recording of the photographer speaking into the camera's microphone to ...
6
votes
1answer
2k views

What is the “sep=” metadata you can add to CSVs?

While trying to find out how to get CSVs to open correctly in Excel on a Spanish PC (belonging to a customer) I found many answers recommending using sep=, at the top of the file: Easiest way to ...