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How do I ask the user for a password?

by vroom (Pope)
on Oct 08, 1999 at 00:29 UTC ( #714=perlfaq nodetype: print w/replies, xml ) Need Help??

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 ioctl() function, 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.

    use Term::ReadKey;

    ReadMode('noecho');
    $password = ReadLine(0);

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[1nickt]: The best sign I have sign in a protest march was carried by a kid of about 10 years "If you build a wall my generation will tear it down."
[1nickt]: ... sign I have seen ...
[1nickt]: Now that one made me hopeful! First time not angry in a long time when I saw that kid.
[Discipulus]: i propend for removing: why? because we are so few that we must find i minimal common divisor, this is certainly Perl not our (anyway private) thougths. And i say this still wondering because i love a lot freedom of expression. And i say this not for roho
[1nickt]: Discipulus that was the point of my story of taking the sticker off my truck. I know there are lots of people in the world who if I knw their private beliefs I might want to argue with them. And they with me. But life cannot all be arguments!
[1nickt]: This is less than perfect ... but demanding perfection (from people or from life) is a sure way to unhappiness.
[Discipulus]: and anyway we have CB where every (democratic) opinion can be expressed
erix eat the rich!
[1nickt]: I do think it is sad that roho has received 3 downvotes for his polite request, as did I when I objected to the profanity in stonecolddevin's sig. I upvoted both him and Karl for the discussion. Way too much downvoting for inappropriate reasons here!
Discipulus learn that 'argue' has a little negative sense, he thought was a neutral sense, 'vox media'

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