View Full Version : Upgrade DLLs ONLY if the installed version is lower?
5th May 2003, 21:25
I'm not sure how to work this, since there is no inequality stuff in NSIS that I know of. I can GET the DLL version sure and I can check if they are EQUAL but as far as I know there's no way of doing this. So, anyone?
5th May 2003, 21:45
Use the UpgradeDLL macro. You can find this macro in the NSIS 2 documentation or in the archive: http://nsis.sourceforge.net/archive/viewpage.php?pageid=38
And about the inequality stuff: IntCmp can jump to different locations when the value is lower, equal or higher.
5th May 2003, 21:46
Well IntCmp (http://nsis.sourceforge.net/Docs/Chapter4.html#18.104.22.168) won't jump anywhere in the case of <> so that's at least one way.
5th May 2003, 22:09
Can I concatenate strings and then test?
6th May 2003, 11:31
What do you mean? And why not use UpgradeDLL?
6th May 2003, 18:16
Does UpdateDLL actually check versions before it upgrades? I was under the impression that it just automated the process of reboot-overwriting DLLs that couldn't be removed.
6th May 2003, 21:24
UpgradeDLL first checks the version. It only updates if an older DLL is installed. It also handles registering, reboots, register-on-reboot etc.
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