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2
votes
0answers
138 views

MIME type changes if file edited in *nix systems

I have an excel file created in Windows machine. If I check MIME type with file -b --mime users.xlsx the result is application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; charset=binary ...
1
vote
0answers
23 views

Configure nautilus icon for new mime type

How does nautilus find the icon for a given mimetype? I have just registered a new mimetype for Umlet on my system. Additionally I added an icon with using: xdg-icon-resource install --novendor --...
1
vote
0answers
13 views

MIME RSA encryption

i have this scheme how can i use session-key in MIME to encrypt the message? i used this command but i don't think it is correct openssl enc -e -des3 -salt -in MSg_sign.txt -out session.txt can ...
0
votes
1answer
17 views

XDG resolves filename as text/plain

I have a MIME definition file which is installed as part of a package: $ rpm -ql virt-viewer | grep mime /usr/share/mime/packages/virt-viewer-mime.xml $ cat /usr/share/mime/packages/virt-viewer-mime....
0
votes
1answer
39 views

Easy Way to Wrap CRON Output in HTML PRE?

I use Gmail and every so often I have to hack it back in that text/plain email should be rendered in a monospace font. This makes it much easier to skim system-generated reports, &c. The problems ...
2
votes
1answer
156 views

How to set an icon for custom mimetype in Linux Mint Mate?

I'm using Linux Mint 17.2 MATE I have a problem assigning an icon for custom (newly created) file type. My task: To set new double-click action and new icon for *.session files. My sequence of ...
1
vote
0answers
45 views

How to ignore mime type for maff file extension?

I have this Mozilla Archive Format, with MHT and Faithful Save addon installed with Iceweasel on debian 8.3 jessie stable. The addon is useful in saving webpages into single file with extension maff. ...
0
votes
0answers
49 views

Front-end to `~/.config/mimeapps.list`

SOLVED: Apparently, Xfce does not use ~/.config/mimeapps.list anyway, because even though ~/.config/mimeapps.list names Firefox as the default browser, links open in Chromium. Is there a front-end ...
1
vote
0answers
65 views

How to preserve mime type in CUPS forwarding?

I installed a small CUPS printer which accepts only application/postscript and converts this into a bitmap. Using a generic postscript printer driver I can directly print to this device without ...
0
votes
1answer
112 views

MimeType Desktop entry for all image files

I want a desktop entry like MimeType=image/ETC to create a context menu action in Dolphin (File Manager in Linux Mint KDE) that would appear only for images. To the question "Is there a generic ...
4
votes
1answer
213 views

How does Linux detect mime type? [duplicate]

I have a PDF file with extension .pdf. If I remove .pdf - the file is still recognized as PDF file ($ file sample - output sample: PDF document, version 1.4.) What is the mechanism of filetype ...
2
votes
1answer
102 views

List mimetypes that default to a given .desktop file

I can list the mimetypes potentially handled by a .desktop file doing something like this: $ grep 'MimeType' /usr/share/applications/eog.desktop | tr ';' '\n' MimeType=image/bmp image/gif image/jpeg ...
3
votes
1answer
204 views

kioclient KMimeTypeRepository::parents: “/usr/share/mime/subclasses” refers to unknown mimetype “application/vnd.ms-excel…”

Whenever I open something with xdg-open in my new OpenSUSE 13.2 install, I am spammed by a sequence of warnings like $ xdg-open ./flask.wsgi kioclient(10634) KMimeTypeRepository::parents: "/usr/...
48
votes
7answers
4k views

How are file types known if not from file suffix?

I would like to know how file types are known if filenames don't have suffixes. For example, a file named myfile could be binary or text to start with, how does the system know if the file is binary ...
2
votes
1answer
312 views

How does filetype determination by filename extension in addition to XDG spec (mimeapps.list) work

I'm trying to set the default application for R noweb files but fail to find the place where this is specified. The reason for this is that my file managers seem to determine the file type by filename ...
0
votes
1answer
688 views

Sending a HTML file (with images) as email body using command line

This seems like a basic question and there are variations of it. I have a ONE-COLUMN html file (let us call it status.html). I would like to send this file which has a few images as the BODY of an ...
2
votes
2answers
862 views

file command apparently returning wrong MIME type

Why doesn't the following return text/csv? $ echo 'foo,bar\nbaz,quux' > temp.csv;file -b --mime temp.csv text/plain; charset=us-ascii I used this example for extra clarity but I'm also ...
3
votes
1answer
260 views

Why do desktop environments make custom xdg-open replacements?

Related to this answer on my previous question. So, XDG can handle it on its own: It can manage default applications - xdg-mime It can open file with associated application - xdg-open. Why do ...
1
vote
2answers
103 views

name of binary vs. name in GUI

I wish I could title this better. An example seems the best way of making the point: In icedove>preferences>attachments, for 'JEPG image' one can select 'Image Viewer' or 'Use other ...'. It turns ...
2
votes
2answers
512 views

Where does Nautilus get its file type description

I've created and registered some shared-mime-info files for custom file types. For example, in ~/.local/share/mime/packages I've added files like x-myokit.xml containing a mime type description, ...
1
vote
2answers
771 views

How to add a software to the list under “open with” other applications in Linux Mint 16?

I want to add a software to the "open with" other applications list that drops down after clicking on a photo to open. I installed Photoscape on my Linux Mint 16 system but it does not show in the ...
0
votes
1answer
330 views

How can I fix my .html file association in Linux Mint 17?

PCManFM 1.2.0 and Caja 1.8.1. When I double-click an HTML document in Caja or PCManFM, it tries to open the document in Thunderbird. In Start -> Preferences -> Preferred Applications, Firefox is ...
2
votes
2answers
282 views

Using Evince instead of Okular for Alpine (MIME configuration for PDF viewers)

Within Alpine, if I hit enter on a PDF attachment, my system brings up Okular. I would prefer if it brought up Evince, because that's the PDF viewer I normally use. How can I do that? This is clearly ...
8
votes
2answers
716 views

Finding a file type assuming wrong extension

I have an image archive I keep up. Sometimes, the sites I pull them from reformat the file while keeping the extension the same, most often making PNG images into JPG's that are still named ".png". ...
4
votes
0answers
251 views

xdg-open just opens Nautilus [closed]

I'm running Fedora 20 with Gnome 3.12. Recently, I installed KDE via yum but decided to stick with Gnome. Ever since installing KDE, the xdg-open and gnome-open commands do not open files with the ...
3
votes
1answer
1k views

How an application is chosen over others to open a particular filetype in Linux

Earlier my text/xml files were by default opened by firefox I think. Not sure of this because I do not remember exactly. Then I think I installed geany and then my text/xml files were always by ...
2
votes
1answer
231 views

Files are opened by wrong applications if opened from a number of programs

History: I had problems with mime associations under Firefox. Firefox opened downloaded files with wrong programs. I deleted ~/.local/share/applications/mimeapps.list and now it works. Now I noticed ...
2
votes
1answer
182 views

Lynx is trying to unzip my downloads

I am having a problem with the Lynx text browser. When I try to download a some tar.gz files, Lynx is not downloading it. It is putting it in a tmp directory and then trying to unpack it with the ...
3
votes
0answers
592 views

Why are all files detected as application/octet-stream in nemo?

nemo sees all files as Binary (application/octet-stream), so these kinds of things happened: All files (.mkv, .mp4, .torrent, anything) lost their association to any program All .pdf files could not ...
3
votes
1answer
704 views

“file” command confusing C & C++

When using file to check some file types, I noticed that it seems to incorrectly label C++ files as C files: $ file User.* User.cpp: C source, ASCII text User.h: C++ source, ASCII text User.o: ELF ...
2
votes
0answers
110 views

Why does xdg-open text_file differ from sudo -u me xdg-open text_file?

If I run the following command, the text file opens in my preferred editor (kate). $ xdg-open text_file However, if I try the following, where sparhawk is my username, I get several warnings, and ...
1
vote
2answers
345 views

How to save “text/pdf” PDF files on the disk from an incoming mail in Mutt

I receive emails with PDF attachments that have the MIME type "text/pdf". This is obviously not good, but some mail clients are doing that... The problem is that saving such an attachment in Mutt ...
1
vote
2answers
348 views

`file` doesn’t show proper mime-type for .m2ts files

I need to define mime type of various video files and I got a problem with .m2ts files. Before I stumbled on this, I used file utility with -iL keys and parsed the output with sed. Today I found that ...
20
votes
4answers
3k views

Is there an “open with” command for the command line?

Does the command line have a way to get a recommended list of programs used to open a particular file, based on the file type? For example, a .pdf file would have an open with... recommendation using ...
2
votes
1answer
478 views

gnome-open execute shell script

Is there a way to execute shell scripts automatically using gnome-open? If I call gnome-open script.sh in the terminal, the script opens in the default text editor. However the shell-script is ...
2
votes
1answer
55 views

Metadata for exchanging BSD mailbox files

The BSD mailbox format has, according to Jamie Zawinski, never been formally documented (see his anti-content-length rant), and does not have, as far as I know, any formal identifiers that may be used ...
1
vote
0answers
246 views

Wine and mime type association backup and restore

I'm going to replace Ubuntu with Arch Linux on my laptop and I want to reformat it. But I want to save ma wine prefixes as I have installed some windows programs that I need. I have gzipped my .wine* ...
2
votes
2answers
90 views

Something like a symbolically linked file, but with change details attached?

Is there a file type or method for using files in which certain files look and behave like symbolically linked files, but contain extra meta information for changing the data when they are read? ...
7
votes
2answers
9k views

How can I make chrome (stop asking to be) the default browser?

I am running Linux Mint Debian edition (essentially Debian testing) and the Cinnamon desktop environment. Every time I launch google-chrome it asks to become the default browser. I have told it to do ...
3
votes
1answer
503 views

Open .desktop files in text editor by default

I wonder if it's possible to open files with the .desktop suffix in a text editor of choice by a simple double-click in a file manager. Even assigning the corresponding MIME type to a text editor with ...
3
votes
1answer
67 views

Where are recognizers for media types stored and how to add one?

When one writes a html file, linux can state that the MIME-type is text/html. How is this handled? Where are the "recognizers" stored? How can one add a MIME type with with an implemented recognizer?
6
votes
3answers
174 views

How can I determine a file's conventional filename extension

The file command is good at determining file types for my needs. Is there any way to map those results to conventional filename extensions?
3
votes
2answers
1k views

Given a mime-type get the corresponding file extension

I want to download a file using curl to a temporary directory with the appropriate extension. Currently I do something like this: tmp="$(mktemp -t 'curl')" curl -o "$tmp" http://example.com/...
0
votes
1answer
623 views

How to change wrong mime type for msi file?

file -i <here msi file> returns application/vnd.ms-office and I think that is wrong. I need a more specific mime type for msi files. I know about magic files but I really need some help with ...
5
votes
2answers
921 views

What to do with a message/partial MIME type?

I used a copier/scanner to scan a document and email me the resulting image. It sent me several emails, each with a message/partial MIME attachment. mutt doesn't seem to understand these messages. ...
3
votes
0answers
489 views

Change the default terminal for all .desktop files?

My htop.desktop launches XTerm, but I want to change the default terminal to xfce4-terminal in all "Terminal=true" .desktop files.
4
votes
2answers
864 views

How to tell mutt not to wait for an attachment program to return?

I use this line for images in my mailcap: image/*; eog %s &; but mutt immediately deletes the temp file and eog can’t load it. When I remove the & mutt waits for eog to be closed until it ...
3
votes
2answers
996 views

What tool to edit the /usr/share/mime/packages/freedesktop.org.xml file

I edited my /usr/share/mime/packages/freedesktop.org.xml (with a text editor) to modify the file icon of application/x-7z-compressed mime type : <mime-type type="application/x-7z-compressed"> ...
0
votes
1answer
251 views

Fedora desktop launcher

I have created a desktop launcher for Midnight Commander in Fedora LXDE environment but this does not work. Where did I make a mistake? $ cat mc.desktop [Desktop Entry] Encoding=UTF-8 Type=...
2
votes
0answers
261 views

Create new file type association

Let's assume I have a program X that uses files with the extension .xez. How can I make X the default application for all files with the extension .xez? My first idea was xdg-mime default X.desktop ...