Sponsored Content
Top Forums Shell Programming and Scripting Problem in redirection of output Post 302459871 by aishsimplesweet on Tuesday 5th of October 2010 01:55:49 PM
Old 10-05-2010
Problem in redirection of output

Hi All,

i m facing very strange problem . like suppose i am in one directory and then i type ls
it will display the content of directory then i redirect the output as

Code:
sneha-pardus $   ls > test
sneha-pardus $   cat test
a.sh b.sh c.sh
sneha-pardus $ awk ' { print $1 } ' test > test
sneha-pardus $ cat test
sneha-pardus $

it shows nothing why can't we use same file in awk and then for redirection

please help me regarding this

Last edited by Scott; 10-05-2010 at 03:13 PM.. Reason: Code tags, please...
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

how to get desired output after redirection

hi i am running script which contains the commmnds and i am redirecting the script output to a file. like ./script 1> result.txt 2>&1 the above redirection is not working for commands when run in background in a script. but the problem here result.txt containg output which is repeated.... (3 Replies)
Discussion started by: raji
3 Replies

2. UNIX for Dummies Questions & Answers

output redirection in scripts

I am trying to write a script that will remove any line in 2 given text files starting with '-'. the output should be to the second file. this is what I tried: #!/bin/csh -f cat $1 $2 | grep -v '^-' > $2 the problem is the after executing the script, file2 contains only the lines from... (7 Replies)
Discussion started by: stewie griffin
7 Replies

3. Shell Programming and Scripting

redirection and output

I'm redirecting the output of a command to a logfile, however, if the user is on a terminal I would also like the output to be displayed on the screen. tar tvf some_tarfile >Logfile if the user is on a term then have the output to the Logfile and also be displayed on the screen at the same... (2 Replies)
Discussion started by: nck
2 Replies

4. Shell Programming and Scripting

Redirection output

Hi there I have a script that runs but it outputs everything onto the screen instead of a file. I've tried using the > outputfile.txt however all it does is dump the output to the screen and creates an outputfile.txt but doesn't put anything in that file. Any help would be appreciated ... (6 Replies)
Discussion started by: kma07
6 Replies

5. Shell Programming and Scripting

Output redirection

We have an application here that does some table queries and then prints the result on screen. I do not have the code of this application (which i will just call "queryCommand"), but what it does is that you call it with some parameters and it prints some info about the query and then the... (5 Replies)
Discussion started by: jolateh
5 Replies

6. UNIX for Dummies Questions & Answers

Output redirection

Hello i am trying to write a script that will redirect the output to a certain file. Here is the code so far: #!/bin/bash ps -e | sort | more > psfile When I execute the script nothing happens since i assume the output was redirected to the file called psfile. When I try to look at the... (1 Reply)
Discussion started by: mfruiz34
1 Replies

7. UNIX and Linux Applications

output redirection command

Dear All, ./waf --run scratch/myfirst > log.out 2>&1 The above is a command line to redirect the output to a file called log.out. what is the 2>&1 part for ? Thank you (2 Replies)
Discussion started by: knowledgeSeeker
2 Replies

8. Shell Programming and Scripting

Issue with output redirection

Hi, I am using AIX server. I have a korn shell script where in I am redirecting a line to a file in a while loop: while read line do outputline=$line; echo $outputline >> "./temp/exec_list_"$ETL_JOB_RUN"_temp" done < ./temp/exec_list_$ETL_JOB_RUN Sometimes, when the CPU... (2 Replies)
Discussion started by: pmonika
2 Replies

9. Shell Programming and Scripting

Redirection of ls -l output

Hi I am making a script where i want to redirect the output of ls -l to a file Example #ls -l fil1.txt > /opt/temp/a.txt ac: No such file or directory I want to capture output of this command like here output is ac: No such file or directory can anyone help (4 Replies)
Discussion started by: anish19
4 Replies

10. Shell Programming and Scripting

output redirection

Hi all I was wondering if there was a slicker way of doing this without the file - awk '{print $2}' FS=":" "${FILE}" > "${TMPFILE}" { read M_GRP_ID || m_fail 1 "Error: Read failed 1 (${FUNCNAME})" read M_GRP_WAIT || m_fail 1 "Error: Read failed 2 (${FUNCNAME})" }... (6 Replies)
Discussion started by: steadyonabix
6 Replies
ABRT-DUMP-OOPS(1)						    ABRT Manual 						 ABRT-DUMP-OOPS(1)

NAME
abrt-dump-oops - Extract oops from FILE (or standard input) SYNOPSIS
abrt-dump-oops [-vusoxtm] [-d DIR]/[-D] [FILE] DESCRIPTION
This tool creates problem directory from, updates problem directory with or prints oops extracted from FILE or standard input. OPTIONS
-v, --verbose Be more verbose. Can be given multiple times. -s Log to syslog -o Print found oopses on standard output -d DIR Create new problem directory in DIR for every oops found -D Same as -d DumpLocation, DumpLocation is specified in abrt.conf -u PROBLEM Save the extracted information in PROBLEM directory -x Make the problem directory world readable. Usable only with -d/-D -t Throttle problem directory creation to 1 per second -m Print search string(s) for abrt-watch-log to stdout and exit SEE ALSO
abrt-watch-log(1), abrt.conf(5) AUTHORS
o ABRT team abrt 2.1.11 06/18/2014 ABRT-DUMP-OOPS(1)
All times are GMT -4. The time now is 04:11 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy