You could try this... it works, but not sure if it will work in your context
PRSQR=`ls pktpr4+(2[6,8-9]|3[0,5,9]|4[1,4]|5[4,9]|6[0,3,6-8]|7[0-3,6]|9[1-3,7])*`
echo $PRSQR
The first line executes the command and stores the output in the variable PRSQR. The second line will display the...