#!/bin/bash

## cd-drives prefer living in gangs of four male members.
## let's mention them here:
##
##      #1#       #1#    #2#
##      ###        ###  ###
##   #4#   #2#            
##   ###   ###     ###  ### 
##      ###       #4#    #3#
##      #3#

## gang A:
A1="/dev/scd4"
A2="/dev/scd4"
A3="/dev/scd0"
A4="/dev/scd0"

# rnum=$((RANDOM%4+1))
# drv=$(eval "echo \$$(echo A${rnum})")
# echo $drv

while :; do 
	rnum=$((RANDOM%4+1))
	drv=$(eval "echo \$$(echo A${rnum})")
	echo -e "look at $drv \n\n"
	eject $drv -s
#	sleep 1
	eject $drv -ts
done &

## gang B:
B1="/dev/scd1"
B2="/dev/scd2"
B3="/dev/scd3"
B4="/dev/scd5"

while :; do 
	rnumm=$((RANDOM%4+1))
	drvv=$(eval "echo \$$(echo B${rnumm})")
	echo -e "look at $drvv \n\n"
	eject $drvv -s
#	sleep 1
	eject $drvv -ts
done &

## gang C:
C1="/dev/scd6"
C2="/dev/scd6"
C3="/dev/scd6"
C4="/dev/scd6"

while :; do 
	rnummm=$((RANDOM%4+1))
	drvvv=$(eval "echo \$$(echo C${rnummm})")
	echo -e "look at $drvvv \n\n"
	eject $drvvv -s
#	sleep 1
	eject $drvvv -ts
done &