Questions tagged [file-format]

For questions relating to file-formats. This is a general tag, please consider using the actual file-format your question relates to as a tag instead.

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1answer
50 views

Programatically modify file associations using standard interface (cases where mimetype does not matter)

I know that I can use xdg-mime default codium.desktop text/plain to change association for text\plain mimetype ( Programatically modify file associations using standard interface (using mimetype) ) ...
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0answers
14 views

How can I export a video file as an AAF?

I have been asked to send a video project file to someone who will be working on the audio as an AAF file. It was done in Shotcut and currently exists as an MLT. A few quick searches don't reveal any ...
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2answers
26 views

I am not able to open the txt file on desktop by double clicking on it

I have pasted a .txt file in desktop folder so it is obvious that same file will show on desktop of ubuntu but when i double click on the file on desktop it will not open but when i click on the same ...
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1answer
41 views

My USB flash drive suddenly get write protected, now I can't format this. how can I do this in Ubuntu?

I have tried GParted in Ubuntu & dosfstools also but it didn't work. Also tried 'ease us' in Windows. please help me to find a solution using the Ubuntu terminal
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1answer
182 views

Use different default applications to open .txt and .ply files

I am using Ubuntu 20.04. As is known, .txt suffix is for plain text files, and .ply is for polygon meshes. However, I find that for some weird reason, the default application to open .txt and .ply are ...
4
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1answer
201 views

How do I open .qch files?

I've installed the qt5-doc package but I'm not able to open the .qch files that I find in the /usr/share/qt5/doc/ directory. Do you know how I can do this? I've tried using qt5-assistant like this: ...
1
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1answer
82 views

How to playback TRM (US Court Audio Record) files?

I have files with TRM/TRS extensions (US Court Audio/Video Records) that I need to playback. VLC was able to playback the video but does not recognise the audio codec. The error message reads: ...
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2answers
166 views

Image viewer that can display all ICO sizes in a file

What are the image viewers available in Kubuntu that are able to display all ICO sizes in a file? In Windows 7 Picture Viewer, I can use PAGE UP / PAGE DOWN to navigate on the "mipmaps" (or ...
0
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1answer
36 views

Which files formats are considered regular files in Ubuntu?

S_ISREG() is a macro used to interpret the values in a stat-struct. From man page it states : S_ISREG(m) is it a regular file? // Macro checks, if the file is regular or not. Questions : Which ...
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0answers
32 views

Why does the mime.types file list a different mime type than a ``file --mime-type`` query for a .bib file?

My default application for opening text/plain files is TextEditor, while my default Application for text/x-tex files is TexMaker. Annoyingly, however, .bib files are being opened with TextEditor. When ...
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0answers
17 views

How do you associate separate icons for an executable and for the files it creates?

I am assisting with icons and documentation for an open-source app which I'll call Chimpsky. Chimpsky creates XML documents, with an *.mky extension, which display as flowcharts modelling a dynamic ...
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1answer
55 views

How to open different plain text files (.txt and .tex) with different default applications?

I would like to open .txt files with Text Editor by default but .tex files with Texmaker. However, if I change the default programme for .tex files to Text Editor by editing the properties of the file,...
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0answers
34 views

How to back up to an external USB drive all files with specified extensions?

Recommend software to locate and back up to an external USB drive all files with specified extensions (documents, pictures, videos, music, etc.) on my laptop a Toshiba Satellite S875-S7370 with Ubuntu ...
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1answer
89 views

Why is the following (attached screenshot) file size shown negative bytes?

OS used : Ubuntu 20.04 LTS DE: GNOME App screenshot : Virtual Machine Manager What is the meaning of -1 byte? is it possible in the world of computer science to have such a file size? Please explain,...
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3answers
5k views

Convert PDF to Word Using Libreoffice in terminal

I am using the following libreoffice command to convert my pdf files into word(doc) lowriter --headless --infilter='writer_pdf_import' --convert-to doc:"MS Word 2007 XML" sample.pdf After ...
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1answer
302 views

File extension for Audio file with ID3 version 2.4.0, contains:MPEG ADTS, layer III, v1, 192 kbps, 44.1 kHz, Monaural

I got a audio file without file extention. I want to add file extention in that file. I just know that its a audio file. So I tried to check its type using file command. alok@alok-HP-Laptop-14s-cr1:~/...
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2answers
186 views

How to change the final downloaded video format with Video Downloader

I use Ubuntu Studio 20.04 LTS. I downloaded and installed the app: Video Downloader, which is saved on: /snap/bin/video-downloader I wonder if there is a way to change the final downloaded video ...
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0answers
71 views

Nautilus from 20.04 will not remember custom extensions on sftp?

I have a problem with nautilus on Ubuntu 20.04 handling files of unknown type on sftp folders. For local folders, if Nautilus does not know which application to use, it will complain about the file is ...
4
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1answer
610 views

How to set default application based on file extension, not mime type?

I have files with extensions .txt, .sln and .csproj, they all have mime type text/plain. But they should be opened by different programs. .txt - by Vim, .sln and .csproj - by Rider. How can I achieve ...
0
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2answers
344 views

Are file names allowed to use dots other then before the file extension?

I am checking file name validity on Ubuntu computers. I want to check whether the file extension is correct. Is separating the value after the first dot in order to get the file extension will do? if ...
2
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3answers
1k views

Cannot open 90% of recently saved images

I very recently installed Ubuntu 20.04 on my laptop and have been having this issue where I can't open most of the images I have saved. I get an error that says Unrecognized Image File Format (...
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0answers
32 views

Ubuntu login problem after restoring backuped files from windows

Hello this is the description of my problem: I installed Ubuntu 20.04 LTS on my inspiron N5010 Laptop. It runs very well until I restore my backup files. After that operation I can't login my account ...
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0answers
26 views

How to display classic man page from local file with troff format?

I have a file with troff format and would like to recast to man page file.txt: .. c:function:: bool is_module_percpu_address (unsigned long addr) test whether address is from module static ...
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0answers
480 views

Open encrypted .dmg file?

I have an old encrypted .dmg file I would like to open. Tried what I could but now I am out of options. Option 1: dmg2img Getting error message: dmg image is corrupted Then I tried to use vfdecrypt, ...
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2answers
775 views

How to find all files that are not a certain extension?

Let's say I'd like to delete every file in a directory that is not a .png file. I'd only like to keep pictures, and delete everything else. Something like this, which obviously doesn't work: for ...
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2answers
1k views

Opening winmail.dat attachments

After saving an attachment in a Thunderbird mail message to my Ubuntu 16.04 files, I was informed that a winmail.dat file can't be opened. I am not tech-savvy. Is there an easy solution?
0
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1answer
57 views

How to open a file with a determined application even when the type is opened by default by another application?

Context Okular is a PDF reader with support to annotations, bookmarks, etc. When I want to save the PDF with the annotations and bookmarks embedded, Okular saves a application/zip file. When I open ...
14
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3answers
5k views

Why do some applications have files with no extension? [closed]

Why do developers choose to not use file extensions for certain files? Here is an example from MediaWiki - This appears with intention, e.g 'CREDITS' and 'COPYING' is with legal intent, perhaps. Why ...
1
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1answer
111 views

How to programatically get program associated with a given file extension?

How can I without any manual GUI use check what will open file with a specific file extension - for example .rb? Not a duplicate of how can I change file association globally? as mine is about ...
0
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1answer
186 views

How do I forward emails in thunderbird in a format other than .eml?

When I forward emails in tbird, they are attached as .eml files. Some recipients can't open these files. How do I forward emails in a different file format? e.g., as text files perhaps?
2
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1answer
160 views

How to change default program for files ending in one extension

In Ubuntu 18.** how do I set a default program only for files with one specific file extension? For example if I use the graphical interface and use "Set as default" for a .txt file it also changes ...
0
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3answers
387 views

Bulk change file extensions [duplicate]

I have a folder with ~30 files. The are already BitTorrent metafiles that lack a .torrent suffix. I want to change all those files to .torrent files. How would I do that? In windows it was as easy as ...
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0answers
187 views

Ubuntu Randomly Started Adding ^M (CRLF) to line breaks (all editors)

When I do normal line breaks using enter key on my Ubuntu 18 (Virtualbox), it always appeared fine in git - it never added ^M (which I learned is a version of a carriage return/line feed used by DOS). ...
1
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1answer
974 views

How does External HDD with NTFS format works on Ubuntu?

I connected my external HDD which is formatted in NTFS file format, I was able to read as well as write to it. I have read that Linux can only read NTFS drives but can't write to them. How does this ...
0
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0answers
26 views

How do we change the file format? [duplicate]

I'm facing an issue, stating that the cpio files contain junk, which results in kernel panic. Hence I'm looking for alternate ways to pack a file, precisely, pxe extension, which is easier to mount by ...
0
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2answers
83 views

Can not locate a downloaded file with empty name [duplicate]

I downloaded a video using Chrome in Ubuntu by giving empty name, i.e. .mp4 only. I can play using Chrome when I click on it in the download section in Chrome but I can not find this video in the ...
2
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1answer
983 views

XSD-1.1 command line validation tool for Ubuntu

I'm looking for a command line tool to validate an XML file with an XSD-1.1 file. I have downloaded and installed libxerces2-java and then tried to apply Free and open source XSD 1.1 validation tool? ...
3
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3answers
2k views

Canon's .CR3 - No Raw Editor on Ubuntu supports?

Please note, that format in context here is Canon's relatively new .CR3 This: I'm either not searching with the right words, or support for .CR3 from Canon camera's like the M50 (that I have) doesn'...
5
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2answers
548 views

FILE extension changing while copying from Ubuntu to windows

I downloaded data in Ubuntu which has an extension .text/plain bit when I copied it to my Windows 10 through USB the file extension is changed to '.file'. What should I do now to open it?
1
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1answer
128 views

Changing file extension

I have about 1000 images saved in a weird way. "file_name".jpeg?image=%2Fmars%2Freadonly%2Fthemis%2Fpds%2FODTGEO_v2%2Fbrowse%2Fodtbws2_0050%2Fv545xxbws2%2FV54577010POL.png&rotate=0&format=...
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2answers
10k views

Twitch error #6000

I just installed a fresh Ubuntu and logged into Firefox. I got my usual addons and credentials and after some time logged into twitch to find that every stream gets the following error: I tried ...
1
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1answer
101 views

Unable to upload .amr files in Ubuntu?

I'm trying to upload media files to a website I'm maintaining. The latest one to be added is .amr (test file from here) and it's causing problems, but only with Ubuntu. It works fine on Mac OS (High ...
4
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1answer
897 views

Can't Move the Dropbox Folder to Ext4 or NTFS partition

I'm using Ubuntu 16.04 LTS. In response to the change in dropbox file system support, I created a new partition on my hard drive to store my dropbox files in. It's 2 GB larger than my maximum dropbox ...
3
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2answers
2k views

Copy all files from certain file type extension in script

I am trying to execute the following command in a shell script where adir="mydir" and extType=*.txt cp "$adir/$extType" "$destination" However I get: cp: cannot stat ‘mydir/*.txt’: No such file or ...
0
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1answer
101 views

How to change a hypen to a period in a file and/or directory

I'm trying to do this in linux/bash. I have multiple directories. I don't mind doing each one individually as there are just a few. In each directory, there are files and folders with names like... ...
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1answer
174 views

How to copy every line from a file to MS Word using nano [closed]

I would like to copy every line and character from a file to Microsoft Word or another word processor. However, when I select all the text with nano text editor and paste it to LibreOffice Word, all ...
0
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0answers
18 views

how to convert all the file with extention JPEG to have lowercase jpeg [duplicate]

So for some weird reason my ubuntu 16.04 has uppercase extension for images. I know i can do this rename.ul JPEG jpeg *.JPEG to convert all images in a folder to have lower extension. But I have 100 ...
0
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0answers
69 views

Thunar: set different default applications for *.rkt files and *.txt files

The problem: whenever I set a default program for opening *.rkt files, it also becomes the default program for opening *.txt files. Whenever I set a default program for opening *.txt files, it also ...
1
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1answer
397 views

Removing line breaks from log files

I'm trying to extract some information from a log file and need to remove the line breaks from it, in order to handle it easily, here is an example of the needed result : input file : 02/01/2018 08:...
-5
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1answer
2k views

What's the file format of “application/x-executable” [closed]

No no no no. I can run the file. My favorite game is that file format and I can run it just fine. Same as other programs with it. My question is what the file format of it? You know. Things like .sh, ...

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