The echo (and the cat at the end) are intended to simulate what parallel is doing.
-- Allyn Fratkin [email protected] Hewlett-Packard Company http://www.fratkin.com/ -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Martin Møller Skarbiniks Pedersen Sent: Thursday, May 09, 2013 2:40 PM To: [email protected] Subject: Re: tcgetattr: Invalid argument On 9 May 2013 20:11, Fratkin, Allyn <[email protected]> wrote: > Perhaps the error is specific to Red Hat? I reproduced it with remote hosts > running RHEL 5.2, 5.8, 6.3. The local host is RHEL 5.8. > > ANY invocation of stty, even without arguments, provokes the "tcgetattr: > Invalid argument" error message. > > [afratkin@vl001 src]$ echo hello | ssh -tt -oLogLevel=quiet g4t0930c stty | > cat # RHEL 5.2 > tcgetattr: Invalid argument Why echo hello as stdin to your stty ? stty doesn't like stdin in general. On a debian 6 machine I get this: $ echo hello | stty stty: standard input: Inappropriate ioctl for device $ echo | stty stty: standard input: Inappropriate ioctl for device $ stty speed 38400 baud; line = 0; eol = M-^?; eol2 = M-^?; -brkint ixany /Martin
