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O ... Thanks ... But it got the Syntax error.

Using "==" rather than -eq will get the difference result. However, I would like to know the reason that what make the -eq comparison ignored special...

Thanks the quick reply.

Case 1 :
A=88^M
[ $A -eq '88' ] && echo "PASS"

Result:
PASS

Case 2:
A=88
[ $A -eq '88' ] && echo "PASS"

I have retest with single quote and got the same...

Hi all,

Case 1 :
A=88^M
[ $A -eq 88 ] && echo "PASS"

Result:
PASS

Case 2:
A=88
[ $A -eq 88 ] && echo "PASS"

Result:
PASS

I would like to know why Case 1 and Case 2 got the same...