Saving all xterm output to a file

[Larry Hall (Cygwin X)]

teddybouch wrote:
> 
> 
> Jon TURNEY wrote:
>>
>> If you really want to prove this is an xterm issue (which seems unlikely
>> to me 
>> as this really revolves about what bash is doing), you should compare the 
>> behaviour between running the command under an xterm and running it under
>> some 
>> other terminal emulator (e.g. the 'cygwin bash shell' menu shortcut which 
>> starts bash inside the native 'DOS window')
>>
>>
> 
> I'm not really partial to proving that this is an xterm issue - I just want
> to get it working the way I need it to. Right after I write this email I'm
> going to make another version of my control program that writes directly to
> a file and see if that will give me everything that I need. I took your
> advice and tried it under the cygwin bash shell and got the same problem, so
> I assume that it's not an xterm issue, but as you suggest, a bash issue. If
> this isn't the place to find help for that, could someone direct me to the
> correct venue, please?

For non-X issues, you want the main Cygwin list.  But before jotting off a
note there, see below.

> As to the issue of changing output, I'm sorry that the parameters for the
> different results were ambiguous. The input was the same for all of them.
> The change in output is not a progressive thing - it's just that sometimes
> the printf statements in my code get written to the specified file and other
> times they do not. Interestingly enough, the printf statements in the
> portion of the code that I didn't write do get output consistently. They are
> each followed by called to fflush(stdout) - might this have something to do
> with it?

This has _everything_ to do with it.  You're obviously suffering from
buffered I/O.  Employ the same technique as you've found in other areas
and I expect your program will output everything like you expect when you
expect it.

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 429-6305 - FAX
Holliston, MA 01746

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