am get a value like ' 15' in a variable
what is the easiest method i can follow to strip 15 out
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echo |$CHECK|
CHECK=`printf "%d"$CHECK`
echo $CHECK
the result was
| 15|
15
it worked 
You can use "tr" command with -s option to truncate the space with the string !!
use: man tr for your reference !!
Thanks !!