On Sat, Nov 2, 2019 at 1:55 AM Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Jonathan Nieder <jrnieder@xxxxxxxxx> writes:
> > nit: can avoid a subshell:
> >
> > test_seq 1 100 | sed -e 's/^/line /' >big-blob.txt
>
> Yeah, but it costs process start-up and "sed" that may be rather
> heavyweight. At least
>
> for i in $(test_seq ...)
> do
> echo line $i
> done >big-blob.txt
>
> would save repeated opening and closing the file, I'd think.
More bikeshedding:
printf "line %d\n" $(test_seq 1 100) >big-blob.txt
is reasonably concise, perhaps easier to grok than the one-liner
incorporating 'sed', and shouldn't run afoul of command-line length
limitation.
