Redirecting stderr to stdout through pipe doesn't work the way it does in Linux

[David Karr]

On Wed, Dec 5, 2018 at 11:44 AM cyg Simple <cygsimple@gmail.com> wrote:

> On 12/5/2018 1:33 PM, David Karr wrote:
> > On Wed, Dec 5, 2018 at 9:43 AM cyg Simple <cygsimple@gmail.com> wrote:
> >
> >>
> >> Your query got me interested in looking and I believe that winpty needs
> >> to be at the front of all the commands so that it can communicate with
> >> mintty properly.  To overcome the need to remember you could add an
> >> alias to execute the command; `alias FOO="winpty FOO"'.
> >>
> >
> > Sigh. What a mess. I can't get this to work.  It was easy enough when a
> > single script has to execute "kubectl", having "winpty" prefix that call,
> > but I'm trying to write a script that calls that other script, and even
> in
> > a pipeline.
> >
> > If I have "winpty" prefix the call to the script that calls "kubectl", it
> > says:
> >
> >      winpty: error: cannot start '...': Not found in PATH
> >
> > When I changed it so it references the absolute path, it then says "%1 is
> > not a valid Win32 application. (error 0xc1)".  So, this makes it clear
> that
> > winpty can only directly execute Windows applications, which makes sense.
> >
> > So how can I call a Windows application from more than just the top-level
> > script?
> >
>
> What does cygcheck say about your winpty?  You are using the Cygwin
> compiled version, correct?
>

By "say", I assume you mean the output from running "cygcheck winpty"?
This is what I get:

    Found:
C:\Users\myuid\frameworks\winpty-0.4.3-cygwin-2.8.0-x64\bin\winpty.exe
    C:\Users\myuid\frameworks\winpty-0.4.3-cygwin-2.8.0-x64\bin\winpty.exe
      C:\cygwin64\bin\cygwin1.dll
        C:\Windows\system32\KERNEL32.dll
          C:\Windows\system32\API-MS-Win-Core-RtlSupport-L1-1-0.dll
          C:\Windows\system32\ntdll.dll
          C:\Windows\system32\KERNELBASE.dll
          C:\Windows\system32\API-MS-Win-Core-ProcessThreads-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Heap-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Memory-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Handle-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Synch-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-File-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-IO-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-ThreadPool-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-LibraryLoader-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-NamedPipe-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Misc-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-SysInfo-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Localization-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-ProcessEnvironment-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-String-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Debug-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-ErrorHandling-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Fibers-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Util-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-Profile-L1-1-0.dll
          C:\Windows\system32\API-MS-Win-Security-Base-L1-1-0.dll
      C:\Users\myuid\frameworks\winpty-0.4.3-cygwin-2.8.0-x64\bin\winpty.dll
        C:\Windows\system32\ADVAPI32.dll
          C:\Windows\system32\msvcrt.dll
            C:\Windows\system32\API-MS-Win-Core-Console-L1-1-0.dll
            C:\Windows\system32\API-MS-Win-Core-DateTime-L1-1-0.dll
          C:\Windows\system32\API-MS-WIN-Service-Core-L1-1-0.dll
          C:\Windows\system32\API-MS-WIN-Service-winsvc-L1-1-0.dll
          C:\Windows\system32\API-MS-WIN-Service-Management-L1-1-0.dll
          C:\Windows\system32\API-MS-WIN-Service-Management-L2-1-0.dll
          C:\Windows\system32\API-MS-Win-Core-LocalRegistry-L1-1-0.dll
          C:\Windows\system32\RPCRT4.dll
            C:\Windows\system32\API-MS-Win-Core-Interlocked-L1-1-0.dll
            C:\Windows\system32\API-MS-Win-Core-DelayLoad-L1-1-0.dll
        C:\Windows\system32\USER32.dll
          C:\Windows\system32\GDI32.dll
            C:\Windows\system32\LPK.dll
              C:\Windows\system32\USP10.dll


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