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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 ...
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 ...
28
votes
4answers
17k views

How to properly and easy configure `xdg-open` without any enviroment?

I'm using OpenBox window manager without any desktop enviroment. xdg-open behaves strangely. It opens everything with firefox. $ xdg-settings --list Known properties: default-web-browser ...
3
votes
2answers
1k views

Why does `xdg-mime query filetype …` fail to find a new added file type?

I installed a new file type to share MIME database. But xdg-mime query filetype cannot tell the new type. This problem only happens on my own Linux OS which does not use GNOME or KDE as its desktop. ...
11
votes
3answers
13k views

wget - How to download recursively and only specific mime-types/extensions (i.e. text only)

How to download a full website, but ignoring all binary files. wget has this functionality using the -r flag but it downloads everything and some websites are just too much for a low-resources ...
4
votes
1answer
1k views

How can I find the application for a MIME type on linux?

Is there a linux API that can find the default application for a MIME type? Then I can use this application to open a file. I can not use xdg-open(url) because the file format is a wrapper format and ...
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?
3
votes
1answer
707 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
1answer
561 views

How to make difference between .wxm (wxMaxima) and .c files in Linux Mint?

I installed wxMaxima on my laptop a few days ago. The issue is that files with the extension .wxm, that are used with wxMaxima, are identified as a C source files. Therefore, when I double click on ...
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 ...