yes you are right my string doesn't contain "\\", however I am using
that in sub function with "\\" coz "\" is a escape character.

Hans Mackowiak wrote in post #1012177:
> its because "\\" is not in your string see my post in your other thread
>
> and
> String path="C:\Gaurang\ruby\demo.xls"
> is not good ruby code because it is interpreted as
> String(path="C:\Gaurang\ruby\demo.xls")
> with is meanless,use
> path =  'C:\Gaurang\ruby\demo.xls'
> or
> path =  "C:\\Gaurang\\ruby\\demo.xls"

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