[bug #18713] "" or '' at the end of xargs input doesn't generate an empty argument

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?18713>

                 Summary: "" or '' at the end of xargs input doesn't generate
an empty argument
                 Project: findutils
            Submitted by: None
            Submitted on: Saturday 01/06/2007 at 20:42 UTC
                Category: xargs
                Severity: 3 - Normal
              Item Group: Wrong result
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Stephane Chazelas
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.29
           Fixed Release: None

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Details:

~$ echo 'foo ""' | xargs printf '<%s>\n'
<foo>

While the following should have been output:
<foo>
<>

It's OK when followed with something:

~$ echo 'foo "" bar' | xargs printf '<%s>\n'
<foo>
<>
<bar>
~$ echo 'foo "" ' | xargs printf '<%s>\n'
<foo>
<>






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