TextPad - file size limits / resource limits?

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DS248

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#56612 18-Jan-2010 22:36

Anyone familiar with TextPad?

I have used this for many years and generally find it very stable - no problems opening ASCII text docs up to 1GB plus.

However I have just had to generate a 3GB file (8m+ records) and was surprised to get a "disk full" message when I attempted to open it in TextPad.

System is Vista64 SP2 Bussiness, 4GB RAM, 6.5GB spare on c: drive, and several hundred GB spare on the drive that the file is located on.

I know that TP creates a temp file on c:drive when it opens a file, but I thought 6.5GB would have been sufficient for that?

Is this:

   1. a TP limit (32bit application)?
   2. a Disk resource limit?
   3. Or is it the really insufficient RAM being reported as "disk full"?

I created a shortened version of the file (~3m records, 1.4GB). That opens in TP without problem

Any help much appreciated.

davidcole

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#291064 19-Jan-2010 08:33

Could be file system, you running NTFS? should be just check if not FAT32 has a 2gb file limit.

Could also be that text pad has a 2gb file limit. I've used vedit in the past and ultraedit, but not tried opening/saving a 3gb file, 1 and a half would have been my limit for a large postscript file.

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DS248

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#291100 19-Jan-2010 09:28

64bit OS. Both drives NTFS.

wazzageek

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#291112 19-Jan-2010 09:56

Had a quick look at: http://www.textpad.com/products/textpad/specifications.html

It has the following passage:

It can handle file sizes up to the largest contiguous chunk of 32-bit virtual memory.

I imagine that exact file limit is going to depend on exactly how your 32-bit virtual memory is laid out for TextPad, I vaguely recall that a popular method of dealing with 32 bit memory and more than 4GB was to have a flat model for the first 3GB, and paging for the last 1Gb (Of physical RAM).

Given that it's the 32Bit version of TextPad on a 64bit OS with 4GB of RAM, I suspect that the error messages are because of TextPad limitations, and the message about Disk Full is most likely due to TextPad "identifying" that as the problem.

DS248

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#291182 19-Jan-2010 14:07

Thanks for the follow up. I suspected it most likely the case.