1. Shell Programming and Scripting

Hi. I'm going to learn scripting and i have the following topics on the list: sed, awk, shell scripting, perl. My question is, whehter i should learn sed and awk? Aren't this tools outdated? Although i see that GNU upgrade it's versions of these tools from time to time. And, the next... (9 Replies)

2. Linux

Hi all, I am new to redhat/fedora linux. In fedora linux 6,we created one file system(hda3 - /fs). in this mount poing we were installed mounta vista os. while booting we are getting below error messages. 1) Booting 'mountaVisat(2.6.18_pro 500_pc_target-x86_586 smp)' root(hd0,1)... (2 Replies)

3. Shell Programming and Scripting

Hi,everyone: I'm new to shell, and I'm confued with some script: ssum=`echo "$lsum" | sed 's|!|\\\\!|g'` line1=`echo "$line" | sed 's!\!\\\]!g'` line3=`echo "$line2" | sed 's!\&!\\\&!g'` sed "s^${line3}^${newline3}^g" ${TIER4FILE} > ${TMP_TIER4FILE} In the first three lines,... (5 Replies)

4. UNIX for Dummies Questions & Answers

I've shell script where i used the below command to take the line which contains patterns. sed -n "/$year 05:/,/$year 17:/p" trace.log | grep -f patterns.txt > output.log This was working fine for long time, but now a days this script is not working with and throwing error like sed:... (8 Replies)

5. Shell Programming and Scripting

Hello everyone, i wonder if someone could give me an advice regarding the following problem using sed. Given ist a structure as shown below: <aaa>text1<b>text2</b>text3<c>text4</c>text5</aaa> Now I want to change the outer tag from "aaa" to "new" and replace all tags inside the outer tags... (4 Replies)

6. Shell Programming and Scripting

Experts, We used to receive our source files with '~^' as row delimiter. This file contains 2500K records and two of the columns having value in HTML formats within the file. While running the below commands against the file, we are encountering out of memory, could you please help to... (3 Replies)

7. Shell Programming and Scripting

I am searching for a specific pattern and replacing with ( ) for matched pattern .I am not getting the expected result ..... Here is the file cat test cool change Frinto Francis Frinto cool change Attitude /usr/bin sed 's/*/( & )/' test ( cool ) ( change ) ( )Frinto Francis... (2 Replies)

8. Shell Programming and Scripting

Hi, I'm using the && operator in if statement: if ; then exp $UID/$PWD@$ORACLE_SID FILE=./DUMP/$TODAY$CONCAT_STR$USERNAME.dmp STATISTICS=NONE LOG=./LOG/$TODAY$CONCAT_STR$USERNAME.log elif ; then expdp $UID/$PWD@$ORACLE_SID DIRECTORY=./DUMP/ DUMPFILE=$TODAY$CONCAT_STR$USERNAME.dmp... (8 Replies)

9. Shell Programming and Scripting

ENVIROMENT Linux: RHEL 6.4 Log Path: /usr/iplanet/servers/https-company/logs Log Format: user.log.03-15-2015 I have log4j log rotation enabled rotating files on a daily basis. The rotated logs are NOT compressed & are taking up too much space. I need a script that will run daily that... (1 Reply)

10. UNIX for Beginners Questions & Answers

I want to know the working of & here step by step using sed command. (1 Reply)