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Reply-To: Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject: Re: Running 'curl' with '-o' option failed with error "curl: (23) Failed writing body (0 != 720)"
To: cygwin AT cygwin DOT com
References: <20190621074049 DOT 8D3DF4140097 AT webmail DOT sinamail DOT sina DOT com DOT cn>
From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
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Date: Fri, 21 Jun 2019 14:36:33 -0600
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On 2019-06-21 01:40, Ma Hao wrote:
> On 2019年06月21日 15点37分, Csaba Raduly wrote: 
>> On Fri, Jun 21, 2019 at 9:28 AM Ma Hao wrote:
>>> I was running into the problem when I tried to download spring:
>>> $ curl https://codeload.github.com/spring-projects/spring-framework/zip/master -o /home/cdmahao/
>> You told curl to write the download to a file named /home/cdmahao/
>> Unfortunately, there is already a directory named /home/cdmahao/, and
>> curl can't write a file to a directory.
>> You need to give the name of a file to -o
>> $ curl https://codeload.github.com/spring-projects/spring-framework/zip/master
>> -o /home/cdmahao/master.zip
>> curl works differently from wget. wget invents a filename based on the
>> URL. curl does not do that.
> Thanks for pointing that out.Appreciate your quick responding.

To make curl operate more like wget when downloading files, use curl -JOR where:

-O,--remote-name uses the trailing URL component as the filename to save;

-J,--remote-header-name works with -O,--remote-name to use the server
Content-Disposition header filename if available, instead of the trailing URL
component, as the filename to save;

-R,--remote-time is like wget -N,--timestamping and uses the remote file
modified time stamp if available;

--remote-name-all enables -O for all URLs specified in the command.

Note that curl will only download into the current directory and never
overwrites existing files, whereas wget supports -P,--directory-prefix=prefix,
and wget requires -nc,--no-clobber to suppress version suffixing the file names
of, or overwriting, existing files depending on other options specified.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.

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