10 More Discussions You Might Find Interesting
1. AIX
Hi Experts,
I Have a query. In one of my server I just came to know that there was /dev/null file which is a not a character file. Its just a normal file. I know the command to create the character file (/dev/null) but what is the procedure. Like should i delete /dev/null and create or... (7 Replies)
Discussion started by: jayadeava
7 Replies
2. 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
3. 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
4. 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
5. Shell Programming and Scripting
Hello,
I'm trying to send the error output of a 'cat' operation to /dev/null like this:
cat /dirA/dirB/temp*.log > /dirA/dirB/final.log 2>/dev/null
This works perfectly in a terminal, but not when placed in a script.
If there are no files matching temp*.log the script outputs an error... (7 Replies)
Discussion started by: Nils88
7 Replies
6. Ubuntu
I stumbled across a somewhat strange behavior of tar and find no explanation for it: i was testing a DVD for read errors and thought to simply tar the content and direct the output to /dev/null:
tar -cvf - /my/mountpoint/*ts > /dev/null
This way i expected the system to read the complete... (4 Replies)
Discussion started by: bakunin
4 Replies
7. UNIX for Dummies Questions & Answers
Hello,
I am working on a script to measure the read performance of a busybox environment. The logical choice is to use a command line like:
(time cp * /dev/null) 2> /tmp/howlong.txt
Ah, the rub is cp or /dev/null will only accept a single file at a time.
The result in the txt file is and... (1 Reply)
Discussion started by: stevesmo
1 Replies
8. Solaris
Hi, Anyone can help
My solaris 8 system has the following
/dev/null , /dev/tty and /dev/console
All permission are lrwxrwxrwx
Can this be change to a non-world write ??
any impact ?? (12 Replies)
Discussion started by: civic2005
12 Replies
9. UNIX for Advanced & Expert Users
when i write the following two statements :
cp /dev/NULL /clocal/mqbrkrs/user/mqsiadm/sanjay/dspmq_temp
cat /dev/NULL > /clocal/mqbrkrs/user/mqsiadm/sanjay/dspmq_temp
its gives me errors like :
cp: /dev/NULL: A file or directory in the path name does not exist.
cat : /dev/NULL can't open... (2 Replies)
Discussion started by: varungupta
2 Replies
10. UNIX for Dummies Questions & Answers
First of all, hello there cOmMuNity ! :cool:
Well, I've got two basic questions:
1) In how many ways it's possible to create a file ?
I know one manner using "touch", other typing something like echo "" > file ...
The fact is that I need to overwrite the file if it exists, and touch... (8 Replies)
Discussion started by: 435 Gavea
8 Replies