str_get_field

Hi, All

Could anyone pleas tell me what is the difference between the below two lines?

lat = stringtofloat(str_get_field(data(1::), 2," "))

lat = stringtofloat(str_get_field(data(1:), 2," "))

I find they get the same result. What is the use for the colon or two colons used here?

Thank you very much!

Shawn

Wen.J.Qu
2012-08-17

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Received on Fri Aug 17 15:36:14 2012