> drkirkby@hawk:~$ echo fred | digest -a md5
> 08b622ddf7eb7c8e44cdb3bd6362f966
> drkirkby@hawk:~$
>
> with something like
>
> sage --password_hash=08b622ddf7eb7c8e44cdb3bd6362f966

An Expect script could do the job and avoid the command-line (ps)
issue.

Aside: If /bin/echo is evaluated instead of the built-in bash command
echo, could there be a window of vulnerability in your pipe solution?
I'm also unsure if the bash built-in would not show up briefly in ps
either.

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