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From:	"Geoff Hart" <ghart AT siemens-psc DOT com>
To:	<cygwin AT sources DOT redhat DOT com>
Subject:	cleartool & CYGWIN=tty
Date:	Thu, 9 Nov 2000 11:08:25 -0600
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Hello,

Is there a way to fool a Windows app (cleartool) into thinking
STDIN is a DOS console?  I believe cleartool calls "isatty" to
determine whether to show a prompt or not ("cleartool> ").

I was hoping I could pipe in some program which would create a
pseudo DOS tty for STDOUT, while it simply echoed whatever it
recieved on STDIN.  (like: "bash$ fake_console | cleartool")

I know I can achieve this by starting bash, with CYGWIN=notty in
a regular DOS Command Propmt window, but I like to use TTY support
*PLUS* I like to use RXVT.  Also, cleartool has a "-e" option which
hints at what I want, but it doesn't have any apparent effect

Example:

bash$ cleartool
q
bash$ cleartool -e
q
bash$ cleartool <con
      0 [main] bash 1069 fhandler_base::dup: dup(con) failed, handle 17,
Win32 error 87
bash: con: Invalid argument
bash$ cleartool </dev/tty
q
bash$ cleartool <con:
      0 [main] bash 1071 fhandler_base::dup: dup(con:) failed, handle 17,
Win32 error 87
bash: con:: Invalid argument

thanks,
Geoff

p.s. please email me at ghart AT siemens-psc DOT com and I'll post a summary.



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