cross-platform

Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• CLI: 6.2.2
• Cross-platform modules: 6.0.1
• Android Runtime: 6.2.0
• iOS Runtime: 6.2.0
• Plugin(s): unrelated

Describe the bug
openFile method of utils module does not preview the

It may be a specific request but since there is a zip file handler for Android, doesn't hurt to ask for a desktop (maybe multiple backends?) implementation.

I would like to try that in the future but if anyone has time before feel free to do it.

Similar

A very small enhancement IMO and this is more of a pet peeve of mine but I'd really like a nicer looking arrow tool, particularly a curved back to the arrow as it looks a bit more "professional".

For example, here's how ShareX's arrow tool looks:

Flameshot's for comparison:

!

ToolbarActions and MenuItems needs to be disableable for the similar reasons and coherence with DisableableWidgets. Last corresponds to solved #234 .

GNU head and tail have an undocumented option ---presume-input-pipe (notice the three dashes instead of two). I don't know what it does, but here is an example of it:

$ printf "%0.sa\n" {1..100} | head ---presume-input-pipe
a
a
a
a
a
a
a
a
a
a

Lack of support for this option is preventing some of the GNU test suite test cases to fail.

(See similar issue in split here

Would it be possible to see if you already "thumbed up" a song by clicking on the menu bar button (to get to the menu, shown in the attached screenshot) via a check mark icon or a thumbs up icon next to the "Thumbs Up" option or via a separate entry within the menu (that would say, for example, "Thumbed Up")? This would be so much easier than having to open a new window by clicking on "Show" every