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This one does work on my linux/bash system; not sure it will on yours as you don't mention details:while read PID CPU REST < <(ps -eo pid,pcpu,args|grep [b]ackup)
do echo $CPU
sleep...

Will this work for you?
if [ $( ps -ef | grep -v grep | grep -c backup ) -eq 1 ]
then
UNIX95= ps -ef -o pid,pcpu,args | grep backup | grep -v grep | read _PID _CPU _ARGS
if [ ${_CPU}...

filename="server1-ips-ultranoob-ok_From_2012_21_12-23:40:23_To_2012_21_12-23:49:45.zip"
DT=$( echo $filename | awk -F"From_" ' { print substr($2,1,10) } ' )
echo $DT
2012_21_12

I'm confused - please tell us what problem you are trying to solve.