check open file using lsof

Hi all, I create following bash script part to check open files on my remote server. Code: ssh -T $S_LOGIN <<EOI         open_File=`lsof +D /x01/files/scripts/ |grep -v "DIR"|wc -l`                 echo "open file count : \$open_File"     if ["$Open_File" -gt 1]; then         echo "Warning:Folder have following open files"                 lsof +D /x01/files/scripts |grep -v "DIR"     else         echo "No Open files ";                              fi   exit; EOI but here wc -l value not assign to $open_File variable it print as 0 (There are some open files in server :p). please give some help for this or please give some proper way to check open files.

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