This worked for me but I had to duplicate STDIN as well as the other two, pass the dup to open3 and close it afterwards if I wanted to call the subroutine with the open3 call more than once, else:
Carp::croak('open3: close(main::STDIN) failed: Bad file number') cal +led at .../IPC/Open3.pm line 119 IPC::Open3::xclose('main::STDIN') called at .../IPC/Open3.pm line 23 +8 IPC::Open3::_open3('open3', 'main', '<&STDIN', 'GLOB(0xa8c04)', 'GLO +B(0xa8c88)', 'pmem 2914') called at .../IPC/Open3.pm line 249 IPC::Open3::open3('<&STDIN', 'GLOB(0xa8c04)', 'GLOB(0xa8c88)', 'pmem + 2914') called at ...

In reply to Re: Re: once again: program output and return code by barn
in thread once again: program output and return code by particle

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.