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Shell Programming and Scripting

adding value to variable using expr

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# 1  
Old 11-22-2008
adding value to variable using expr
for i `cat abc.txt`
do
m= `expr $i + 2`
echo $m
done
i wrote this script to assing value to m. but i got the error

"a.sh[6]: 423: not found"

please help me to sort out this issue
# 2  
Old 11-22-2008
Remove the space after the equal sign (=) in this statement:

Code:
m= `expr $i + 2`

# 3  
Old 11-22-2008
worked thanks
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