On 10/10/2017 02:06 AM, Erik Johansson wrote:
>
> On 9 October 2017 at 19:17, Rudy via curl-library
> <curl-library_at_cool.haxx.se <mailto:curl-library_at_cool.haxx.se>> wrote:
>
> Goal:
> slow_script.pl <http://slow_script.pl> | curl
> "-FmyUpload=@-;filename=foo.txt" --wait-for-eof-for-upload
> https://user:pass@haxx.se/upload.php
> <https://user:pass@haxx.se/upload.php>
>
>
> Or install moreutils and use sponge.
> slow_script.pl <http://slow_script.pl> | sponge | curl ...

That doesn't work as items in the pipeline are all executed
simultaneously. (Curl starts before sponge finishes.)

EXAMPLE$ date > date1 | sleep 10 | date > date2
EXAMPLE$ cat date*
Mon Oct 30 09:41:42 PDT 2017
Mon Oct 30 09:41:42 PDT 2017

This would work if curl didn't initiate HTTP until first piece of data
gets send. Maybe a '=FmyUload=@-' should cause curl to wait for at
least one byte (different, but similar, to waiting for EOF).

Rudy
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Received on 2017-10-30