Homebrew Question Is there a way to test NSP files without installing them?

sageharpuiahx · Feb 24, 2019

I'm about to start compressing my collection. I've had issues in the past with the files being corrupted during data transfer, so before I spend hours decompressing them all and then copying them over to my SD card to see if they are in-tact, I'd like to know if an application does this. I know there are apps that check nsp files for brickware, I was just wondering if I could use them to tell if they're installable or not.

sageharpuiahx · Feb 24, 2019

@Goffrier

Goffrier · Feb 24, 2019

@sageharpuiahx

Deleted User · Feb 24, 2019

I use USB install and store my NSP's on my PC

Dust2dust · Feb 24, 2019

nsp files don't compress much with the common compressors like 7-zip or rar. You might as well store them as is, it will save you time. If you're afraid they're gonna corrupt somehow during transfers to an external device, you could create an sfv file before, and check that they're ok after the transfer with it.
Now that I think about it, some guy here was working on a custom nsp compressor that had good results. Can't remember the name, but there is a thread about it here.

sageharpuiahx · Feb 24, 2019

Dust2dust said:
nsp files don't compress much with the common compressors like 7-zip or rar. You might as well store them as is, it will save you time. If you're afraid they're gonna corrupt somehow during transfers to an external device, you could create an sfv file before, and check that they're ok after the transfer with it.
Now that I think about it, some guy here was working on a custom nsp compressor that had good results. Can't remember the name, but there is a thread about it here.

nsZip. It's what I'm using, but I just want to know how I should go about checking them after they've been compressed, because I intent to delete the originals from my hard drive to save space.

Dust2dust said:
If you're afraid they're gonna corrupt somehow during transfers to an external device, you could create an sfv file before, and check that they're ok after the transfer with it.

How does this work

Philliyxx · Feb 24, 2019

https://gbatemp.net/download/nspverify.35153/

Nsc builder can also
Check out information from a xci and nsp, including the Firmware needed to be able to execute it, the game info, the size of the nca content.

Dust2dust · Feb 24, 2019

sageharpuiahx said:
nsZip. It's what I'm using, but I just want to know how I should go about checking them after they've been compressed, because I intent to delete the originals from my hard drive to save space.
How does this work

sfv would be of no help if compressed with this nsZip app. It would totally change the checksum. You would have to uncompress before checking with the sfv file, which kind of defeats the purpose of compressing the nsp in the first place. nsZip would have to have an option to check the integrity of the archive, like 7-zip and rar offer. Maybe it does, I don't know, never used it myself.

sageharpuiahx · Feb 24, 2019

Dust2dust said:
sfv would be of no help if compressed with this nsZip app. It would totally change the checksum. You would have to uncompress before checking with the sfv file, which kind of defeats the purpose of compressing the nsp in the first place.

You're thinking too deeply into this. I know I can't check the compressed NSPs, but I can uncompress them and make sure they weren't damaged during compression. I just want to know if there's a way to check the NSPs without uninstalling everything from my Switch and running them through an NSP installer.

Philliyxx said:
https://gbatemp.net/download/nspverify.35153/

Nsc builder can also
Check out information from a xci and nsp, including the Firmware needed to be able to execute it, the game info, the size of the nca content.

I'll check this out later, thank you

Asia81 · Feb 24, 2019

Philliyxx said:
https://gbatemp.net/download/nspverify.35153/

Nsc builder can also
Check out information from a xci and nsp, including the Firmware needed to be able to execute it, the game info, the size of the nca content.

I use this, it work fine and does its job.

ZachyCatGames · Feb 24, 2019

Yes. There's these neat things called "emulators"

sageharpuiahx · Feb 25, 2019

ZachyCatGames said:
Yes. There's these neat things called "emulators"

And I would use Yuzu to check them if my pc wasn't a potato

ZachyCatGames · Feb 25, 2019

sageharpuiahx said:
And I would use Yuzu to check them if my pc wasn't a potato

Doesn't really matter if it runs well. If it starts it's probably not corrupt or whatever

Homebrew Question Is there a way to test NSP files without installing them?

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