1. Shell Programming and Scripting

Hi, I have a program that searches for a particular string patten. I am however having difficulty passing the varible $i (in a loop) as the string pattern to replace. Using either perl or sed search and replace statements, I get the same kinda result. For example, using the perl: for i in... (3 Replies)

2. Shell Programming and Scripting

hi How can one change an environment varaible inside a shell script say my bash shell has a env variable export FOO="Day" no i want to write a script inside which the FOO variable is modified to say export FOO=NIGHT after this script finishes te bash shell should show me NIGHT when i... (1 Reply)

3. Shell Programming and Scripting

set filename $logDir/PyLog/$logname echo $filename >> logname.txt I am trying to write to write the varibale filename into a file logname.txt,it is not working could any one suggest y (2 Replies)

4. Shell Programming and Scripting

Hey guys I have here what I am sure amounts to a pretty dumb question.... how do I assign a value of say 999 to a variable called "random number" (note the space between random and number). What would the script look like using borne shell? Thanks! :) (4 Replies)

5. UNIX for Dummies Questions & Answers

Wondering what $@ does - is it a variable of some kind? (1 Reply)

6. Shell Programming and Scripting

How do you store strings in a variable-sized array? Background: I wrote a program earlier today to work with a very large text file. I chose Perl because it lets me do some nice formatting on the text I grab, instead of just using a shell script to con'cat'enate egrep results. The program... (2 Replies)

7. Shell Programming and Scripting

Well, I think I've managed to take two different issues and conglomerate them into and embarrasing mess. #!/bin/bash # Set some variables dir1=/path/that/isnt/variable/$variabledir/dir/ dir2=/path/that/isnt/variable/$variabledir/important/"$variabledir"-subdirectory/path/ echo "Gimme... (7 Replies)

8. UNIX for Dummies Questions & Answers

Hi, when I enter 'ps -ef| grep process_name'/'psu | grep process_name', i am getting multiple number of lines output( i mean multiple no of processes).how can i store it one by one and echo it in the same way(one by one). part of script is var1=$(remsh hostname -l username ps -ef|grep... (2 Replies)

9. Shell Programming and Scripting

I am trying to set a variable from this AWK command in KSH but I keep getting an error that says my variable cannot be found. LOADNO = $(awk -F"|" 'NR==1{print $2}' file.txt) If I just run awk -F"|" 'NR==1{print $2}' file.txt I get the right value but as soon as I try to assign this... (1 Reply)

10. Shell Programming and Scripting

I want to pass variable to below awk statement awk '/abc123/{x=NR+1}(NR<=x){print}' sftp_log_20150317.log I tried -v like below, but its not working. Please help!!! awk -v var1="abc123" '/var1/{x=NR+1}(NR<=x){print}' sftp_log_20150317.log Input file is: sftp_log_20150317.log ... (3 Replies)