[Tutor] fileinput question

[Kent Johnson]

On Sun, Aug 24, 2008 at 9:26 PM, Ezra Taylor <ezra.taylor at gmail.com> wrote:
> Hello all:
>                 Can I do the below with input() from fileinput?  If
> this is not possible, what can I do to create backup files with the
> date timestamp as an extension.  Thanks for you help all.
>
>
> from time import strftime
>
> for line in fileinput.input(inplace=1,backup='.strftime("%Y-%b-%d.%S")'

Close, but not quite. strftime() won't be recognized in a string, but
you can include the leading period in the format string. Try
  fileinput.input(inplace=1,backup=strftime(".%Y-%b-%d.%S")

Kent