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[C++] append() to each row of a text file
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Hello.. is it possible to append some data on a text output file appending the data to each row, and without use too much computational I/O ??
Instead of the classical way:
.. I would like to use the much more redeable:
where the 1,2 series are wroted on different times.. a sort of a appendByRow() function.. and I would avoid of load the whole file in memory and then printing it line-by-line..
is it possible ??
Instead of the classical way:
C++ Syntax (Toggle Plain Text)
C++ Syntax (Toggle Plain Text)
is it possible ??
>I would avoid of load the whole file in memory and then printing it line-by-line..
Read a line, process it, and write it to a temporary file. Then delete the original file and rename the temporary.
>is it possible ??
It's hard to say. You talk about appending to a row, but your description of the desired result suggests that you want to transpose a matrix, which makes your storage and performance requirements more difficult to meet.
Read a line, process it, and write it to a temporary file. Then delete the original file and rename the temporary.
>is it possible ??
It's hard to say. You talk about appending to a row, but your description of the desired result suggests that you want to transpose a matrix, which makes your storage and performance requirements more difficult to meet.
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