Khalid Moulfi wrote:
Hi all,
I have thousands of file and I must update only the first line.
My concern is : is it possible to read only the first line for each of
these files and update the first line only without reading the file
completely ?
Version of Python is 2.2.1
Thanks for any help,
when the length of the line/initial bytes doesn't change (by means
of enough balancing spaces or so) you can open the file in "r+"
mode and overwrite sections; e.g. after reading some bytes/line or
so do f.seek(0) and overwrite the initial bytes.
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