On Wed, 12 Mar 2003, Willis, Matthew wrote:
> > Igor wrote:
> > You may be hitting the command-line limit with bash. Try the above with
> > cmd.exe. See below.
> >> c:\cygwin\bin\echo.exe %PATH% -- works fine
> >> c:\cygwin\bin\echo.exe %PATH%%PATH% -- fails, immediately returns to
> command line
> >
> >Try stracing the last line above...
> > Igor
>
> I can replicate the behavior in cmd.exe; strace returns a zero byte file.
>
> C:\>c:\cygwin\bin\strace.exe -o foo.txt c:\cygwin\bin\echo.exe %PATH%
> C:\texmf\miktex\bin;C:\WINNT\system32;C:\WINNT;c:\FpAddin;c:\FpAddinLon;C:\w
> in32
> app\Sybase\DLL;C:\win32app\Sybase\BIN;C:\FpAddin;C:\OptexNT\vendordll;C:\Opt
> exNT
> \dll;C:\Program Files\Microsoft Visual Studio\Common\Tools\WinNT;C:\Program
> File
> s\Microsoft Visual Studio\Common\MSDev98\Bin;C:\Program Files\Microsoft
> Visual S
> tudio\Common\Tools;C:\Program Files\Microsoft Visual Studio\VC98\bin
>
> C:\>c:\cygwin\bin\wc.exe foo.txt
> 269 2712 27213 foo.txt
>
> C:\>c:\cygwin\bin\strace.exe -o foo.txt c:\cygwin\bin\echo.exe %PATH%%PATH%
>
> C:\>c:\cygwin\bin\wc.exe foo.txt
> 0 0 0 foo.txt
>
> Interestingly, I /can/ pass long command lines with bash to programs built
> using vc++. I built a test prog (myecho.exe) using vc++,
>
> /* myprog.c */
> int main(int argc, char* argv[])
> {
> for (int i=0;i<argc; i++) printf("%s ",argv[i]);
> printf("\n");
> return 0;
> }
>
> which will run when I pass long arguments using bash.exe as my shell. I can
> also pass long arguments to this program under cmd.exe. The only difference
> seems to be that bash.exe fully expands argv[0] to the full win32 path name
> and cmd.exe leaves it as myecho.exe. In both cases I was able to use command
> lines over 2000 bytes long without problems.
Matt,
Just got another idea. See if this helps:
<http://cygwin.com/cygwin-ug-net/using-specialnames.html#AEN733>
Igor
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