Date: Fri, 01 Sep 2006 09:43:33 -0700 From: Julian Elischer <julian@elischer.org> To: Oliver Fromme <olli@lurza.secnetix.de> Cc: freebsd-current@freebsd.org Subject: Re: suggested addition to 'date' Message-ID: <44F86335.70907@elischer.org> In-Reply-To: <200608281545.k7SFjn6l063922@lurza.secnetix.de> References: <200608281545.k7SFjn6l063922@lurza.secnetix.de>
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Oliver Fromme wrote: >John Baldwin wrote: > > Oliver Fromme wrote: > > > 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. > >It's not very difficult, so I created a patch which does >exactly that (includes an addition for the manpage, too). >I've submitted it as bin/102609: > >http://www.freebsd.org/cgi/query-pr.cgi?pr=102609 > >Best regards > Oliver > > > A couple of comments: you don't need to run strftime for each line if the time hasn't changed. (My original patch checks this) What is the effective maximum line length for a single fgetln?
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