16 May
2024
16 May
'24
3:01 p.m.
Ralph Corderoy <ralph(a)inputplus.co.uk> wrote:
All true, I didn't think about that.
Maybe
diff -u <(ssh host1 cat file1) <(ssh host2 cat file2)
This is annoyingly noisy if the remote SSH server has sshd_config(5)'s
‘Banner’ set which spews the contents of a file before authentication,
e.g. the pointless
[....]
It appears on stderr so doesn't upset the diff but does clutter.
And discarding stderr is too sloppy.
But the author of a personal script knows his/her remote machines
and can decide if
diff -u <(ssh host1 cat file1 2>/dev/null) <(ssh host2 cat file2
2>/dev/null)
is appropriate or not.
My main point was that the problem is easily solved with a
few lines of shell, so no need for a utility, especially one
written in C or some other compiled language.
Thanks,
Arnold