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Forum Discussion

nitass's avatar
nitass
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Oct 08, 2011

Braced expressions

Hi there,   I have read about braced expressions in articles below but I still do not understand why we should enclose expr argument with brace, what different it is. Could anyone advise please? ...
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nitass's avatar
nitass
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Oct 09, 2011
Hi Aaron,

 

 

Thanks. That is the part I do not understand.

 

 

Would you mind explaining me conversion steps? How is it different between with and without brace?

 

 

By adding in braces around the values being passed to the expr command, we can stop unnecessary conversions, such as numeric -> string -> numeric, from occurring.Thanks!