getting rsa key fingerprints

[ogniemi]

I can get fingerprints of all keys authorized in authorized_keys but only using temporal file (here "line"), like:
cat au*s|while read a;do echo $a >line;ssh-keygen -l -f line;done

(unfortunatelly, command: "ssh-keygen -l -f authorized_keys" ignored >1 lines)

1) can the ssh-keygen -l be fed somehow without temporaly file?
2) or, could openssl be used for this job too?

 

[ChrisHirst]

temporal file???


"temporal" means "Related to time" do you mean temporary file

Chris.

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[ogniemi]

by temp file I meant auxiliary file used later for -f parameter of ssh-keygen

 

[SamBones]

So yes, temporary file.