writing to file

[piruk]

How to overwrite text to a file? When I use: file << text then the
text is added to the end of file.

piruk

 

[Gianni Mariani]

How to overwrite text to a file? When I use: file << text then the
text is added to the end of file.

Seek to the position in the file you want to write to.

http://www.cplusplus.com/reference/iostream/ostream/seekp.html

 

[lakshmi]

How to overwrite text to a file? When I use: file << text then the
text is added to the end of file.

piruk

use
<
instead of << .

like,
file < text

 

[lakshmi]

i'm wrong i thought he is asking about shell programming :-(
as i'm browsing over linux/unix forums
i just seen it's C++ ...reply sorry guyz for that somewhat stupid
reply
-what a joke--- Using < instead of << lol

 

[osmium]

Seek to the position in the file you want to write to.

http://www.cplusplus.com/reference/iostream/ostream/seekp.html

Use extreme caution when overwriting a text file. Otherwise the replacement
data may very likely be of a different size than what it replaces.
Personally, I would only overwrite on a binary file. Use of << *means*
text.