[CentOS] Automatically send CTRL-D

[William L. Maltby]

On Tue, 2008-03-11 at 09:01 -0700, Garrick Staples wrote:
> On Tue, Mar 11, 2008 at 12:35:19PM +0000, Mário Gamito alleged:
> > Hi,
> > 
> > Sorry for the little bit off-topic.
> > 
> > I have a script that has to performe a hash over a password.
> > Problem is that sha512sum expects CTRL-D to be pressed to return to the
> > command prompt.
> > 
> > I've searched all over Google, but either I didn't do the right search or
> > there is nothing relevant about this.
> > 
> > Bottom line is that I need this command to print the password hash and
> > returns to the shell automatically:
> > 
> > $ sha512sum | xargs echo "password" | cut -f2 -d' '
> > 
> > Any help would be appreciated.
> 
> Do you mean this?
>   echo "password" | sha512sum

You might try stdio re-direction:

passwd=<your_password> 
passwd <<EOF
$passwd
EOF
unset passwd

> <snip sig stuff>

HTH
-- 
Bill