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Subject: Re: Compiled programs fail to run from Cygwin Terminal, but work from windows cmd
To: cygwin AT cygwin DOT com
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From: cyg Simple <cygsimple AT gmail DOT com>
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Date: Thu, 22 Jun 2017 09:57:41 -0400
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> 
> STOP PRESS: in gdb, the output IS there:
> User-PC-> gdb hello.exe
> GNU gdb (GDB) (Cygwin 7.10.1-1) 7.10.1
> Copyright (C) 2015 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i686-pc-cygwin".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>.
> Find the GDB manual and other documentation resources online at:
> <http://www.gnu.org/software/gdb/documentation/>.
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from hello.exe...done.
> (gdb) run
> Starting program: /home/User/c_dir/hello.exe
> [New Thread 6868.0x5b0]
> [New Thread 6868.0x18dc]
> [New Thread 6868.0x1990]
> Hello, world!
> [Thread 6868.0x1990 exited with code 0]
> [Inferior 1 (process 6868) exited normally]
> (gdb)
> 
> Which is dandy, but then why, outside of gdb, is there nothing at all?
> Still stumped!

Is your prompt overwriting the output of the program?

Try:

$ hello | cat
$ hello | grep ello

etc.

-- 
cyg Simple

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