files: direct access - NOT sequential
aleax at aleax.it
Tue Apr 15 14:33:54 CEST 2003
Patrick Carabin wrote:
> i search a means to get " direct access " inside files, eg mixing
> read & write operaions for the same file
> given a file with contents : "qwerty" , positionning on the "w", and
> writing a "N" , so the file becomes "qNerty"
> How can i achieve this in Python ?
thefile = open('thefile', 'r+') # must be already-existing
Here, in fact, we're NOT mixing read and write operations -- the
only _operation_ is a write -- but, if we wanted to, we might (that
is what mode 'r+' means).
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