for code beakers/hackers/researchers - parallel

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Hi guys.

With the latest version of 'parallel' from EPEL  - absolutely one of the coolest binaries ever - I wonder if you noticed this:
I'm doing this as 'root', with no particular reason:

-> $ > ~/1
-> $ parallel --tag --nonall -S boxA,boxB uptime
-> $ cp /etc/shadow ~/1
-> $ parallel --tag --nonall -S boxA,boxB uptime

one of the boXes has that 1 file. (previous parallel version do not do that) and if you happened to be a code-wizz, then you wondered & can tell what the source is doing & why. (is it bash/shell?)

many thanks, L.
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