Re: Wrong program starts when run from Dolphin

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On Wed, 2021-07-21 at 16:16 +0800, Ed Greshko wrote:
On 21/07/2021 13:38, Jonathan Ryshpan wrote:
On Wed, 2021-07-21 at 12:36 +0800, Ed Greshko wrote:
On 21/07/2021 10:19, Jonathan Ryshpan wrote:
I have build an old version of audacity (audacity-2.4) from source and placed the executable in ~/bin.  When I start audacity from the command line (say):
$ audacity-2.4 98.03.14-a.aup
everything runs as it should.  But when attempt to start audacity-2.4 from dolphin clicking
dolphin->98.03.14-a.aup->rt-click/Open With->Other Application->audacity-2.4
the program started is audacity not audacity-2.4 .  Similarly it's not possible to start audacity-2.4 from the Start Button on the Panel.

I don't have the problem with xv, which I also build from source and placed in ~/bin .

Did you edit the audacity menu item in the KDE Menu (Lower Left) to point to your version?  And, if you had a favorite item defined previously for audacity, did you delete that as well?

I would think that audacity and audacity*-2.4 *are different programs, despite the similarity of their names.  However if I rename audacity-2.4 as fred ($ mv audacity-2.4 fred)  things work properly.

Let me ask a simple question using my fully updated F30 system as and exmple.

If I type,
[egreshko@meimei ~]$ dnf info audacity
I get....

Last metadata expiration check: 0:02:07 ago on Wed Jul 21 16:11:39 2021.
Installed Packages
Name         : audacity
Version      : 3.0.2
Release      : 3.fc34
Architecture : x86_64
Size         : 43 M
Source       : audacity-3.0.2-3.fc34.src.rpm
Repository   : @System
 From repo    : updates
Summary      : Multitrack audio editor
URL          :
License      : GPLv2
Description  : Audacity is a cross-platform multitrack audio editor. It allows you
              : to record sounds directly or to import files in various formats. It
              : features a few simple effects, all of the editing features you
              : should need, and unlimited undo. The GUI was built with wxWidgets
              : and the audio I/O supports PulseAudio, OSS and ALSA under Linux.

But, if I type,

dnf info audacity-3

What do you think well happen?

[egreshko@meimei ~]$ dnf info audacity-3
Last metadata expiration check: 0:03:28 ago on Wed Jul 21 16:11:39 2021.
Error: No matching Packages to list

Can you imagine why that would be?

Is the -3 part of the program's name?  Or part of the version?

The problem appears to be the ".4" in audacity-2.4 .   I guess that KDE thinks it is a type extension like ".txt".  Is this a bug or a feature?  In any case, my problem is solved; just call the program audacity-2, not audacity-2.4 .

An example:
$ type audacity audacity-2.4
audacity is /usr/bin/audacity
audacity-2.4 is /home/jonrysh/bin/audacity-2.4
< audacity cannot be started from the "Start" button. 
$ mv bin/audacity-2.4 bin/audacity-2
$ type audacity audacity-2
audacity is /usr/bin/audacity
audacity-2 is /home/jonrysh/bin/audacity-2
<audacity can be started from the start button>

Sincerely Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>

	Necessity is the excuse for every infringement of 
	human freedom.  It is the argument of the tyrant 
	and the creed of the slave.  -- Wm. Pitt the Elder
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