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Create a text file, write 0123456789 save and exit. Right click and check file properties, how many bytes ? 10, still it shows some other properties like creation date etc. This means file itself does not store extra information like creation date, version numbers etc. but it is FileSystem I guess that stores these informations, extra file for each file. create file using command notepad c:\hello.txt:metadatafile, write something save and exit. now check your c drive a file with name hello.txt will be created, with no data in it. but, when you open the file c:\hello.txt:metadatafile manually then it shows the content you had written previously, I guess that is metafile for that particular file which is actually storing extra information about that file. If anyone knows more about this can they share it with me. I am curious to know more.
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I think you are talking about the EXIF format, more information can be found here www.exif.org[^]. Si
that's brill, cheers
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It's metadata (EXIF/IPTC) stored within the file itself. Cameras (for example) use it to record information on time, date, camera settings etc. If you download Exifer[^] you can view and edit it. :cool: Anna :rose: Homepage | Tears and Laughter "Be yourself - not what others think you should be" - Marcia Graesch "Anna's just a sexy-looking lesbian tart" - A friend, trying to wind me up. It didn't work. Trouble with resource IDs? Try the Resource ID Organiser Visual C++ Add-In
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Create a text file, write 0123456789 save and exit. Right click and check file properties, how many bytes ? 10, still it shows some other properties like creation date etc. This means file itself does not store extra information like creation date, version numbers etc. but it is FileSystem I guess that stores these informations, extra file for each file. create file using command notepad c:\hello.txt:metadatafile, write something save and exit. now check your c drive a file with name hello.txt will be created, with no data in it. but, when you open the file c:\hello.txt:metadatafile manually then it shows the content you had written previously, I guess that is metafile for that particular file which is actually storing extra information about that file. If anyone knows more about this can they share it with me. I am curious to know more.
That is really curious.....
"If a man empties his purse into his head, no man can take it away from him, for an investment in knowledge pays the best interest." -- Joseph E. O'Donnell Can't manage to P/Invoke that Win32 API in .NET? Why not do interop the wiki way!
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Create a text file, write 0123456789 save and exit. Right click and check file properties, how many bytes ? 10, still it shows some other properties like creation date etc. This means file itself does not store extra information like creation date, version numbers etc. but it is FileSystem I guess that stores these informations, extra file for each file. create file using command notepad c:\hello.txt:metadatafile, write something save and exit. now check your c drive a file with name hello.txt will be created, with no data in it. but, when you open the file c:\hello.txt:metadatafile manually then it shows the content you had written previously, I guess that is metafile for that particular file which is actually storing extra information about that file. If anyone knows more about this can they share it with me. I am curious to know more.
These are called streams, and are a part of the NTFS file system. Here's some links: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnfiles/html/ntfs5.asp[^] http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/base/file_streams.asp[^] http://www.diamondcs.com.au/index.php?page=archive&id=ntfs-streams[^] Chris Richardson
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That is really curious.....
"If a man empties his purse into his head, no man can take it away from him, for an investment in knowledge pays the best interest." -- Joseph E. O'Donnell Can't manage to P/Invoke that Win32 API in .NET? Why not do interop the wiki way!
You probably won't read this through this thread again, so if you want to know what's going here, read my reply to the other guy: http://www.codeproject.com/lounge.asp?msg=902422#xx902422xx[^] Just FYI. Chris Richardson
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These are called streams, and are a part of the NTFS file system. Here's some links: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnfiles/html/ntfs5.asp[^] http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/base/file_streams.asp[^] http://www.diamondcs.com.au/index.php?page=archive&id=ntfs-streams[^] Chris Richardson
Very interesting, thank you.
"If a man empties his purse into his head, no man can take it away from him, for an investment in knowledge pays the best interest." -- Joseph E. O'Donnell Can't manage to P/Invoke that Win32 API in .NET? Why not do interop the wiki way!