newbie question int to string conversion

[Anders olme]

Well actually my strings are comming from a directory listning. I'm trying to 
implement a autoupgrader for our CAD system at work (tired to ask if a new
version has arrived). And the direcotyr contains ordinary names and 
directories with names like 310,3112 and so on. So it will be 50% numbers and the rest will be strings.
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//Anders Olme
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//E-mail: olme at ebox.tninet.se