1. Shell Programming and Scripting

I want to make shell script that takes a list of host names on my network as command line arguments and displays whether the hosts are up or down, using the ping command to display the status of a host and a for loop to process all the host names. Im new to shell scripting so Im not quite sure... (3 Replies)

2. Shell Programming and Scripting

Just one question for bash shell script. In bash script, you can use *.txt to call any files in current folder that ends with .txt, like rm *.txt will remove all txt file in current folder. My question is can you actually remember or use the file name among *.txt, I know file=*.txt will not... (9 Replies)

3. Shell Programming and Scripting

Hi, I want to create a script that gets a filename as an argument. The script should generate a listing in long list format of the current directory, sorted by file size. This list must be written to a new file by the filename given on the command line. Can someone help me with this? ... (6 Replies)

4. Shell Programming and Scripting

Can anybody be kind to explaing me what the lines below mean ? eval line=$line export $line ] || echo $line (2 Replies)

5. Shell Programming and Scripting

Hi all, I am working on a backup based script, in which it enters to a directory and check the sub-directories and copy the names into an array. cd $CPFs k=0 for i in * do if then ARRs="$i" k=$(($k+1)) #echo "$i" ... (19 Replies)

6. Shell Programming and Scripting

Hi Folks, I have a loop that goes through an array and the output is funky. sample: array=( 19.239.211.30 ) for i in "${array}" do echo $i iperf -c $i -P 10 -x CSV -f b -t 50 | awk 'END{print '$i',$6}' >> $file done Output: 19.239.211.30 19.2390.2110.3 8746886 seems that when... (2 Replies)

7. Shell Programming and Scripting

Hi All, I need an assistance with the issue below. I wrote big script in "bash" that automatically install an LDAP on Clients. I'd be happy to know in order to avoid duplication of entries in files, How i can define into the script, if the specific expressions already exist in the file, do... (7 Replies)

8. Shell Programming and Scripting

Hello, I want to write a bash script to delete the content after '#'. However, if '#' appears in a string with "", ignore this. For example, input file: test #delete "test #not delete" Output file: test "test #not delete" Does anyone know how to write this script? Thanks (1 Reply)

9. Shell Programming and Scripting

Hi, I am trying to do something similar to the for loop example from KSH For Loop Array: Iterate Through Array Values $: cat y.ksh #!/bin/ksh # set array called nameservers set -A nameservers 192.168.1.1 192.168.1.5 202.54.1.5 # print all name servers for i in ${nameservers} do ... (3 Replies)

10. UNIX for Beginners Questions & Answers

Hi , I am a total beginner so bear with me. I have the below code which works . I need to extend it by iterating thru the array arr and executing a command in each loop. some thing on the lines of below. I need to run this in a Jenkins script , so I would need below bash script to run... (6 Replies)