using "su" without keying in the password

[Jean-Pierre Radley]

In article <1990Mar14.202740.5044 at neptune.UUCP> orr at neptune.UUCP (Rick Orr) writes:
> Is there a way to use the "su" command in a script and have the
> script supply the password, without it having to be typed. 
> I have tried several ways without any success.

I believe the password routine in 'su' and elsewhere wants to read
/dev/tty. IOW, it insists on being interactive, for what would appear to
be security reasons. 

Hence 'su' won't take the password from its standard input. Ergo, it won't
take it from a script.
-- 
Jean-Pierre Radley					      jpr at jpradley.uucp
New York, NY					      72160.1341 at compuserve.com