1. Shell Programming and Scripting

"Is there any substituation of last command or script syntax which can be used as a user. As far I know the "last" command is being used to display information about previous logins. A member of adm group or the user adm can execute it only. Thanks in advance for your usual help. Ghazi (6 Replies)

2. UNIX for Dummies Questions & Answers

Hi, is there a way in bash--or any other shell--to repeat the preceding argument on the command line? E.g., let's say I want to rename the file "/var/www/conf/httpd.conf" to "/var/www/conf/httpd.conf.bak". I want to be able to type mv /var/www/conf/httpd.conf, and then press a command key that... (6 Replies)

3. UNIX for Advanced & Expert Users

Hi need urgent help , for creating unix script . To collect system name,This is command i want to execute n (integer) no. of times for for a differnt IP addresses .IP is variable in every execution. Other string & collecter name is constant . snmpGet %IP% sysName.0 -c <string> -S <datacollecter... (2 Replies)

4. Shell Programming and Scripting

Hi all, I have an awk command that needs to be ran multiple times in a script on one file containing lots of fields of data. The file look like this (the numbers are made up): 1234 2222 2223 2222 123 2223 3333 2323 3333 3321 3344 4444 The... (2 Replies)

5. UNIX for Advanced & Expert Users

Is there a way to repeat the output of the last command for filtering without running the command again? All I could think of was to copy all the data to a text file and process it that way, is there another way? Like say I want to grep server.server.lan from a dtrace that was pages long after I... (5 Replies)

6. UNIX for Dummies Questions & Answers

I know this script is crummy, but I was just messing around.. how do I get sed's insert command to allow variable expansion to show the filename? #!/bin/bash filename=`echo $0` /usr/bin/sed '/#include/ { i\ the filename is `$filename` }' $1 exit 0 (8 Replies)

7. UNIX for Dummies Questions & Answers

Hey, guys! Trying to research this is such a pain since the read command itself is a common word. Try searching "unix OR linux read command examples" or using the command substitution keyword. :eek: So, I wanted to use a command statement similar to the following. This is kinda taken... (2 Replies)

8. UNIX for Dummies Questions & Answers

Hi, I have catenated multiple output files (from a monte carlo run) into one big output file. Each individual file has it's own two line header. So when I catenate, there are multiple two line headers (of the same wording) within the big file. How do I use the sed command to search for the... (1 Reply)

9. Shell Programming and Scripting

I have a XML in which <Amt Ccy="EUR">3.1</Amt> tag repeats. This is under another tag <Main>. I need to sum all the values of <Amt Ccy=""> (Ccy may vary) coming under <Main> using awk and or sed command. can some help? Sample looks like below <root> <Main> ... (6 Replies)

10. Shell Programming and Scripting

Oracle Linux 5.6, 64-bit Given the following snippet wrkvar=`sqlplus -s / as sysdba <<EOF set echo off feedback off head off trimsp on select count(*) from v\$parameter where name in ('db_file_name_convert','log_file_name_convert') and value is not null; EOF` echo wrkvar=$wrkvarProduces... (2 Replies)