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Old 03-11-2008
JamesGoh JamesGoh is offline
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fopen() + reading in large text files
For reading in large text files (say files over 1kB in size) are there any issues with fopen() that I should be aware of ?

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Old 03-11-2008
ramkrix ramkrix is offline
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Hi,

There are no specific constarints with fopen() regarding the size of file. So you may proceed. If you are not contented with the reply, please refine your question further.

Regards,
Ramkrix
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Old 03-11-2008
jim mcnamara jim mcnamara is online now Forum Staff  
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One note: there is the concept of a large file. These are files that exceed the capacity of the number of bytes a 32 bit file pointer can access. i.e., more than ~4.2GB of data.

This depends on your OS and sometimes the filesystems. If there is a problem with large files the fopen man page may mention how to deal with them. Frequently there is a call - maybe named like "fopen64" - that deals with largefiles. Check your man pages.
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