Which file open mode would be used to write data only at the end of an existing file?
A) ios::app
B) ios::in
C) ios::out
D) ios::trunc

Name: Which file open mode would be used to write data only at the end of an existing file? A) ios::app B) ios::in C) ios::out D) ios::trunc
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Question

Quizplus · Accepted Answer

The ios::app mode opens the file in append mode, which means that data can only be written to the end of the existing file, without overwriting any existing data.

Which File Open Mode Would Be Used to Write Data