6 replies to this topic

[Eladf]

Hi

I have a problem with my Update \ Upgrade install, all my file groups Overwrite property are on
NEWERDATE mode so only newer files are being installed on a previous version,
but sometimes the files on the PC are newer than the one in the Setup
( for example when updating ini files on the PC manually )
in this case the setup will not update these ini files because the one in the Setup isn't newer.

So I want to add an option so the user can decide if he wants to update all the ini files.
I believe that I will need to change the Overwrite property of the filesgroup at run time, Is that possible ?
Does any one has a better idea ?

Thanks
Elad.

[Ide Nentjes]

Hi Elad,

I don't believe you can override the Overwrite attribute. However, a way to overwrite your ini-files:

- Put the ini-files in a seperate File-group, with 'ALWAYS' Overwrite.
- Create a new component, and assign the filegroup with ini-files to it.
- In OnMaintUIBefore ask if the user wants to overwrite the ini-files, and if so use ComponentSelectItem to add the inifiles-component to the setup.

Ide

[Eladf]

Hi

This is a good idea ( and it even work ) but Now I want to show the user the different between the 2 ini files and let him decide if he want to update the file or leave it as it is.
I though I will use the SdShowFileMods dialog to display the changes but what is the best way to get the different between the files ???

Elad

[Ide Nentjes]

Hi Elad,

I'd say the easiest way is reading your new MyApp.ini into a list, say listNewIni.
Read the old MyApp.ini in list listOdIni.

Loop through listOdIni, and remove all lines in listOdIni from listNewIni. Afterwards, you'll be left with all additional lines to be added to MyApp.ini

If you've trouble with the lists, there are list-handling scripts here on InstallSite in the "IS5/6 samples > Components and FIles > Component and List Functions"

Success, Ide

[Giurcanu Daniel]

The best solution concerning INI file maintenance is to create/update/ovewrite them directly from script.

[Eladf]

Hi

It might be a silly questions but...

1. How do I get the content of a new ini file that wasn't installed yet
Should I take it directly from the Cab file ? How ?

2. Is there a way to pass a LIST ( That hold the content of an INI file )
created in Install Shield as a argument to another program such as Perl ?
If not with a list then How ?

Elad

[Ide Nentjes]

1 - You got 2 options here ->
A) don't put the new ini-file in the .cab file by setting the 'Compressed' Proprty of its filegroup to 'No', so you can read it directly from CD
B) specify SUPPORTDIR as destination, and read the ini-file from there.

2 - I don;t know of any other way than having Perl read the inifile itself.

Ide