Thanks! I just realised that too, but I used the condition: .find() > 0 But I think your's is better. Simple programming knowledge... > < I made a blog post: http://learnwithhelvin.blogspot.com/2009/09/1-is-true-if-loops.html
<http://learnwithhelvin.blogspot.com/2009/09/1-is-true-if-loops.html> On Thu, Sep 3, 2009 at 5:19 PM, Stephen Hansen <apt.shan...@gmail.com>wrote: > The amazing thing is when file_str = 'C:\Qt\SimLCM\Default >> \Data_Input_Material.txt', >> the first if statement if fulfilled, that seemingly says that in this >> file_str, python actually finds the word 'Geometry'. >> I know this, because the line: 'I found geometry' is printed. However, >> if instead of using file_str.find(), I use file_str.endswith(), it >> does not exhibit this strange behaviour. >> >> > The problem is str.find returns -1 on failure; and -1 is a true value. Only > 0, empty string, empty sequences, etc, are false values. > > So, you have to test, 'if find_str.find(pattern) != -1:' > > HTH, > > --S > -- Helvin "Though the world may promise me more, I'm just made to be filled with the Lord."
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