Newbie question: files

[William Wallace]

I open a file "a+"

fd = open(foo, "a+")

I write some lines to it, taking care to flush after each write. I read
some previously written lines by seeking back to them.

However, when I seek back to a previously written line, I cannot update
any part of the line. The updates get written to the end of the file
regardless of current position (known from fd.tell()).

What's up?

--
Bill Wallace
wcwallace2 at home.com
http://www.hex.net/~wallace/
972-242-8911 972-242-3841


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