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Is there a text editor for very big files?

I have some memory leak reports that are in the gigabyte order of size. Is there document viewer that can handle such files 'easily'? I've tried notepad++ and windows notepad, without any luck.. (edit) Using Windows 7, btw.

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marked as duplicate by Kez, David Schwartz, Diogo, RedGrittyBrick, Ƭᴇcʜιᴇ007 Nov 14 '12 at 12:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

if you have ubuntu, have you tried gedit? –  Vineet Menon Nov 14 '12 at 11:16
@VineetMenon: gedit is faster, but it still hangs up on loading and probably won't load files larger than your RAM cleanly. Text-based editors should do –  Manishearth Nov 14 '12 at 11:18
This has been asked previously Text editor to open big (giant, huge, large) text files –  Volodymyr Nov 14 '12 at 11:19
Sorry about the possible duplicate- it didn't show up in the search box :T –  Goran_Mandic Nov 14 '12 at 11:39

2 Answers 2

On Ubuntu, vim and nano seem to handle files without trouble--this is because they are CUI apps and they need to have only a portion of the text in RAM at any given time--unlike Notepad, which loads the whole shebang.

You can download vim for Windows here (64-bit).

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Any idea why is that?? I believe, program has to be developed to handle huge files rather than just being CUI apps! –  Vineet Menon Nov 14 '12 at 11:23
@VineetMenon: See, most GUI apps use some GUI framework (for example Qt). They use the text area from the framework--these require the text to be loaded into memory, since the text is just member data of the text area object. So, naturally, all GUI apps are out, unless you design one specifically for large text (see Yannis' answer). It's really a small use case--readable content should not be in large text files. –  Manishearth Nov 14 '12 at 11:28
hmmm..kk thx for that info.. –  Vineet Menon Nov 14 '12 at 12:12

Few years back I used the aptly named Large Text File Viewer for more or less the same thing as you. It's free, but I have no idea how recently it was updated and if it will work with later versions of Windows (I used it up until Vista).

If it doesn't work, Vim for Windows would be your best bet, as Manishearth already mentioned.

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thanks! I will give it a try :) –  Goran_Mandic Nov 14 '12 at 11:38

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