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
```
This help text may be found at http://git.jpnc.info/parssh/about/