Re: ssh and compress problem

From: Barry Margolin (barmar_at_alum.mit.edu)
Date: 05/24/04 

Date: Mon, 24 May 2004 10:54:52 -0400

In article <aea3ce71.0405232117.21d0b9c0@posting.google.com>,
 xiangminyao@yahoo.com (Max) wrote:

> Hi, everyone!
>
> Can anyone please help me to resolve the following "ksh:
> /tmp/CSHM2_P3: cannot open" problem?
>
> I have no problem to create empty data file and named pipe on the
> remote database server by using ssh.
>
> /usr/local/bin/ssh -l myao billdev2 /bin/touch
> /tmp/infranet_cimf_extracts.dat1.Z
> /usr/local/bin/ssh -l myao billdev2 /bin/chmod 777
> /tmp/infranet_cimf_extracts.dat1.Z
>
>
> /usr/local/bin/ssh -l myao billdev2 mknod /tmp/CSHM2_P3 p
> /usr/local/bin/ssh -l myao billdev2 /bin/chmod 777 /tmp/CSHM2_P3
>
> But when I try to run a background job as the following, I get "ksh:
> /tmp/CSHM2_P3: cannot open" error message.
>
> /usr/local/bin/ssh -l myao billdev2 compress < /tmp/CSHM2_P3 >
> /tmp/infranet_cimf_extracts.dat1.Z &
>
> Is there any sytax error? It is OK if I run "compress </tmp/CSHM2_P3>
> /tmp/infranet_cimf_extracts.dat1.Z &" on the database server.

The I/O redirection operators are being processed by the local shell,
not the remote one. You need to quote or escape them if you want those
characters sent to the remote system. 

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***

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