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parssh: Parallel SSH orchestration in a Bash session.
=====================================================

Instructions
------------

- Source pars.sh to your Bash session:

        . pars.sh

- Run *parssh* function for usage information:

        parssh --help

- Run simple command on listed servers from list:

        parssh "md5sum /bin/bash" < SERVERLIST

- Export FUNCTIONS and VARIABLES from local Bash session to remote hosts from
SERVERLIST and execute:

        parssh "$(declare -f FUNCTIONS; declare -p VARIABLES); FUNCTIONS" < SERVERLIST

- Export FUNCTIONS and VARIABLES from local Bash session to remote hosts from
SERVERLIST and execute with a concurrency of 35, saving and displaying output
along with the commands and meta-data as a header in the 'OUTFILE.out'
and 'OUTFILE.err' files:

        parssh -35 -C -t OUTFILE "$(declare -f FUNCTIONS; declare -p VARIABLES); FUNCTIONS" < SERVERLIST