fflush(stdout) is 'not recommended'
look here.
http://www.cplusplus.com/ref/iostream/istream/sync.html
Randall Patrick Barlow wrote:
I wrote a console based program under Windows, and I then compiled the
same code with g++ under Linux. The program is supposed to output to
the screen the percentage done periodically, so the user has some idea
if the program will take minutes, hours, days, etc. In Windows, this
works great. However, in Linux, it doesn't seem to get written to the
screen every time I cout, as if there were some kind of buffer that
were filling up and waiting to get to a certain level before dumping
to the screen (under bash). The line of code that writes to the
screen is something like:
cout << '\r' << [code to determine percentage done] << "% complete";
Any ideas why I don't see this all the time? It does eventually come
out, but nothing until it's written several times. I even have an
initial line that is supposed to write 0% done, and that never shows
up (but does in Windows). It's no big deal, but it does bug me :)
Thanks,
Randy
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