Re: How to re-edit Helper app for the "Browse File s” tool?

Leif Halvard Silli

Den 2022-11-09 09:56 skreiv Hussein Shafie:
> On 11/8/22 20:32, Leif H Silli wrote:
>> 
>> I discovered a simple workaround ... In the Helper Apps section of the 
>> Preferences, the command
>> 
>>      open "%U”
>> 
>> is (by default) defined as the «Default viewer» (strange terminology 
>> btw).
>> 
>> 
>> And it turns out that, for the PDF file type, if you replace
>> 
>>      open -W -n -a /System/Applications/Preview.app "%F"
>> 
>> with the «Default viewer» command
>> 
>>      open "%U”
>> 
>> then I get the behavior that I want: PDFs gets opend by your default 
>> PDF-viewer (typically the Preview.app on MacOS), and you also avoid 
>> that a new instance of your default PDF-viewer is opened each time you 
>> click the fil in XXE’s Browse Files tool.
>> 
> 
> Thank you for this information.

The advantage of using

       open "%U”

is that the user can use the MacOS Finder to decide which app that 
should open a certain file type. (This is done via the Show info panel 
for particular files in the Finder.) But this might also be the 
disadvantage.

If you want to not rely on the Finder, then another workaround is to 
simply remove the «-n» from

       open -W -n -a /System/Applications/Preview.app "%F"

so that we get

       open -W -a /System/Applications/Preview.app "%F"

By removing the «-n», we avoid that a new instance is opened every time 
the command is run … See https://ss64.com/osx/open.html

(I do not know whether the «open» is a MacOS only command of if it also 
runs on Linux and more.)
-- 
Leif Halvard Silli

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