suggested addition to 'date'
John Baldwin
jhb at freebsd.org
Fri Aug 25 14:24:46 UTC 2006
On Friday 18 August 2006 10:45, Oliver Fromme wrote:
> Julian Elischer wrote:
> > BTW I chose 's' without any research.. Date only has the short getopt so
> > '--' doesn't work, but
> > there are lots of unsed letters.. a quick survey suggests maybe -p (pipe?)
> > (suggestions welcome) my favourites of s and f are already used on one
> > system or another.
>
> There's another possibility, which doesn't require a new
> option letter at all. You could add a new escape sequence
> to the format string, e.g. "%*". Whenever date(1) is
> called with a format string containing that sequence, it
> goes into filter mode and replaces the sequence with the
> current line. That would also enable you to be more
> flexible with the placement of the timestamps.
> For example:
>
> $ printf 'foo\nbar\nbaz\n' | date +'%H:%M:%S %*'
> 16:39:58 foo
> 16:39:58 bar
> 16:39:58 baz
I prefer this of all the suggestions so far.
--
John Baldwin
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