#!/bin/bash
for counter in $(seq 1 5)
do
        while [ $(ls -1 /dev/shm/|grep "script044"|wc -l) -ge 2 ]
        do
                sleep 0
        done

        xterm -e "bash script044.txt" &
done

exit

#!/bin/bash

tempfilename="script044_"$(date +%Y%m%d%H%M%S)_${RANDOM}
echo > /dev/shm/${tempfilename}

for counter in $(seq 1 $(shuf -i 10-45 -n 1))
do
        sleep 1
        printf "${counter}r"
done

rm /dev/shm/${tempfilename}

exit