How do I change some char.s of the already printed text string? I.e.having printed
This is really hard for me to understand.
Once you "print" something - it is gone, passed to some other level of software.
Adding something before your print is fine.
my $hello ="Hello, World\n";
I am not sure exactly what you are trying to do.
Maybe this is GUI? I don't know.
If you are talking about a command line window, there
are various ways to do this - maybe just move the
cursor back to the line to be modified, delete that
line and then "re-print" that line. This will happen
so fast that the user will not see it.