'su lyx' changes file access privileges

[Kornel Benko]

Am Sun, 27 Sep 2020 13:19:52 +0200
schrieb "paolo m." <paolo.pumilia at gmail.com>:

> Sometimes, while  in user1 session, I find convenient launching lyx as user2 
> (same group as user1)  to open a lyx file, through 'su'.
> As user2 changes and save that file, access privileges are changed as well. 
> That does not happen when a text file is opened by kwrite, so it should be 
> something specific to lyx.
>  
> Before 'su' switch:
> text file     x            -rw-rw-r-- 
> lyx file     xx.lyx        -rw-rw-r-- 
> 
> Switching and modifying file x (by  kwrite)  and xx.lyx (by lyx):
>               x          -rw-rw-r-- 
>               xx.lyx     -rw-------
> 
> (Same results when  launching 'dolphin' file manager as user2 to open a lyx 
> file, through 'su'').
> 

Have you checked the setting of 'umask' for both users?

	Kornel
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