How to update a printed message in terminal without reprinting

Question

I want to make a progress bar for my terminal application that would work something like:

 [XXXXXXX       ] 

which would give a visual indi

Answer 1

try using \r instead of \n when printing the new "version".

for(int i=0;i<=100;++i) printf("\r[%3d%%]",i);
printf("\n");