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# 1  
Old 01-22-2008
Question

For example res=`some command`

elif [ "X${res}" != "X1" ];

What does this syntax mean?
I mean exactly "Xvar" "Xval"
# 2  
Old 01-22-2008
in short.... if the value of the variable 'res' is not '1'
# 3  
Old 01-22-2008
Quote:
Originally Posted by vgersh99
in short.... if the value of the variable 'res' is not '1'
Smilie
I need not in short!
what is the difference between [ "$res" != 1 ] [ "X${res}" != "X1" ]??
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