|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
redirect stderr to dev/null in bash env.
Post 101311 by matrixmadhan on Tuesday 7th of March 2006 06:23:04 AM
03-07-2006
|
|
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Is it possible to redirect errors at the command line when you run the script such as bash scriptname & 2>/dev/null? (1 Reply)
Discussion started by: knc9233
1 Replies
2. Shell Programming and Scripting
Consider:
#!/bin/sh
#this is a shell script in sh (bourne)
grep missingfile 2>errout.txt
It works from the command line, but keeps producing errors from the script. So how do I redirect in a bash shell...or bourne? (3 Replies)
Discussion started by: lumix
3 Replies
3. Shell Programming and Scripting
Hi
i am running oracle database import through a script and script scans the import log to see if there are any errors.
Now the porblem is that when i run the script the import log appears on the screen even if i direct the output of import to /dev/null.
imp "'/ as sysdba'"... (5 Replies)
Discussion started by: vinoo128
5 Replies
4. Shell Programming and Scripting
Hello,
When I run the following program:
ssh 192.168.1.4 bash -l <<EOF
> echo foo >/dev/stderr
> EOF
I get the following confusing error.
bash: line 1: /dev/stderr: No such device or address
Does anyone know why and how to fix it? I'm capturing stdout in a variable, but I... (2 Replies)
Discussion started by: brsett
2 Replies
5. UNIX for Dummies Questions & Answers
How are these two different? They both prevent output and error from being displayed. I don't see the use of the "&"
echo "hello" > /dev/null 2>&1
echo "hello" > /dev/null 2>1 (3 Replies)
Discussion started by: glev2005
3 Replies
6. Shell Programming and Scripting
I apologize if this question has been answered else where or is too elementary.
I ran across a KSH script (long unimportant story) that does this:
if ; then
CAS_SRC_LOG="/var/log/cas_src.log 2>&1"
else
CAS_SRC_LOG="/dev/null 2>&1"
fithen does this:
/usr/bin/echo "heartbeat:... (5 Replies)
Discussion started by: jbmorrisonjr
5 Replies
7. Shell Programming and Scripting
Sorry for my ignorance... but...
I've a script with some output redirect to /dev/null,
example:
fsck.ext3 -a /dev/sdb1 1>/dev/null 2>/dev/null
How can I simplify this redirect ? (1 & 2)
thanks (3 Replies)
Discussion started by: ionral
3 Replies
8. Shell Programming and Scripting
I'm using an text-to-speech synthesis in a script, and I need to redirect it's output to /dev/null
how can I do that ? And how to redirect the stream to his normal output then （sound card ) ?
thankx (2 Replies)
Discussion started by: firelink
2 Replies
9. UNIX for Dummies Questions & Answers
Hello.
When I run a .ksh that contains the command below, and there is no file available in the source location the "FILE_NAME_*.CSV not found" error is still being displayed.
FILEN=$(ssh ${SOURCE_SERV} "cd ${SOURCE_LOCATION} ;ls ${FILES}") 2> /dev/null.
This is interfering with the rest... (4 Replies)
Discussion started by: jimbojames
4 Replies
10. Shell Programming and Scripting
Hi there,
I need to execute a command in the bash. The program prints some standard (output and) error and then wants the user to choose one of several options and type the according input. I am trying to solve this issue in a bash script but also running into some circular dependency. How can I... (7 Replies)
Discussion started by: fredestet
7 Replies
LEARN ABOUT DEBIAN
mstack
VIEW-OS(1) General Commands Manual VIEW-OS(1) NAME
mstack - networking stack selection SYNOPSIS
mstack [-hv] [-o protocol list] stack_mountpoint command DESCRIPTION
In View-OS multiple networking stacks are available to processes at the same time. View-OS supports the msocket(2) system call. mstack defines the default stack (for each address family) that is used when msocket refers to a NULL pathname for its stack. mstack provides also a backward compatibility for all the programs using the obsolete socket(2) system call. The stack mountpoint identifies the stack. In ViewOS it is the mountpoint where the stack was mounted (by mount(2)(8). In fact the call: "socket(domain,type,protocol)" is equivalent to: "msocket(NULL,domain,type protocol)" mstacks changes the default stack for the desired protocol families and executes the command (by execve(2)). OPTIONS
-h prints the mstack command usage -v sets the verbose mode on -o defines the list of protocols. Without a -o option, mstack redefines the default stack for all protocols families. The list of proto- cols may include the a comma separated sequence of the following items: all, unix (or simply u), ipv4 (4), ipv6 (6), netlink (n), packet (p), bluetooth (b), irda (i), ip (which include all ip related protocols ipv4, ipv6, netlink and packet), #n where n is the num- ber of protocol. Each item can be prefixed by + or - to specify whether the protocol/group of protocols must be added or removed from the set. EXAMPLES
mstack /dev/net/lwip ip addr lists the address managed by the stack mounted on /dev/net/lwip. exec mstack /dev/net/null bash disables the standard stack in a new bash (which overcomes the current one). mstack -o ip /dev/net/lwip bash starts a new bash which uses the stack /dev/net/lwip for ipv4 and ipv6 but not for the other protocols. mstack -o -unix /dev/net/lwip bash starts a new bash which uses the stack /dev/net/lwip for all protocols but AF_UNIX. mstack -o +ip,-ipv6 /dev/net/lwip bash starts a new bash which uses the stack /dev/net/lwip for ipv4, netlink, packet but not ipv6. SEE ALSO
umview(1), kmview(1), msocket(3), umnetnative(9), umnetnull(9), umnetlwipv6(9), unix(7), ip(7), ipv6(7), netlink(7), packet(7). AUTHORS
View-OS is a project of the Computer Science Department, University of Bologna. Project Leader: Renzo Davoli. <http://www.sourceforge.net/projects/view-os> Howto's and further information can be found on the project wiki <wiki.virtualsquare.org>. VIEW-OS: a process with a view April 23, 2008 VIEW-OS(1)