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Hi gull04,
below are the error msg:

expr: syntax error
OpenSSH_5.6p1, OpenSSL 1.0.0a 1 Jun 2010
Pseudo-terminal will not be allocated because stdin is not a terminal.
xxx@xxxxxxxxxx's...

suppose we have a file abc.txt having some random entries.

The below simple code is wrking fine for me:
export CMP_NO=1
for object in `cat abc.txt`
do
echo "${object}"
CMP_NO=`expr...