Current Perl documentation can be found at perldoc.perl.org.
Here is our local, out-dated (pre-5.6) version:
(This question has nothing to do with the web. See a different FAQ for that.)
There's an example of this in crypt). First, you put the terminal into ``no echo'' mode, then just read the password normally. You may do this with an old-style
POSIX terminal control (see
the POSIX manpage, and Chapter 7 of the Camel), or a call to the stty program, with varying degrees of portability.
You can also do this for most systems using the Term::ReadKey module from CPAN, which is easier to use and in theory more portable.
ReadMode('noecho'); $password = ReadLine(0);