1. Shell Programming and Scripting

#!/usr/bin/bash ###script to input four characters. wxyz echo "input first string" read instring1 echo "input second string" read instring2 ## echo "first string is:" $instring1 echo "second string is:" $instring2 ##IF instring1 or instring2 are NOT 4 characters (xxxx) , exit 1. ##how?? ... (2 Replies)

2. UNIX for Dummies Questions & Answers

I have multiple input files that I want to manipulate using a shell script. The files are called 250.1 through 250.1000 but I only want the script to manipulate 250.300 through 250.1000. Before I was using the following script to manipulate the text files: for i in 250.*; do || awk... (4 Replies)

3. Shell Programming and Scripting

Need help in scripting . Below is the situation and need your inputs Checking all the processes, scripts running time based on user input time . Below Example ps -aef -o user,pid,etime,stime,args| grep sleep <user> 28995 01:24 14:14:39 sleep 120 <user> 29385 00:52 14:15:10... (8 Replies)

4. UNIX for Dummies Questions & Answers

Hi Sir, I am just learning bash scripting and I came across a challenge. I need to input F11 to a script among many text inputs. For all the text inputs i did following. # sh test.sh < input.txt where input.txt contains all the text inputs in new lines. This worked fine until i... (1 Reply)

5. Ubuntu

I'm writing a bunch of scripts to automatically configure Ubuntu and I want to run the code below to remove the white dots from the login screen: sudo xhost +SI:localuser:lightdm sudo su lightdm -s /bin/bash gsettings set com.canonical.unity-greeter draw-grid false The problem is that... (3 Replies)

6. Shell Programming and Scripting

I want to run a script that calls remote ssh and if it gets hung, I want to be able to kill that part of the script and run another command in the script for example I have a statement like this: if ]; then export tapes=$(for tape in $(su - nacct -c 'ssh remote1 "cat... (1 Reply)

7. Shell Programming and Scripting

Heyas, Since this question (similar) occur every now and then, and given the fact i was thinking about it just recently (1-2 weeks) anyway, i started to write something :p The last point for motivation was... (17 Replies)

8. Shell Programming and Scripting

I have the following while loop that I put in a script, demo.sh: while read rna; do aawork=$(echo "${rna}" | sed -n -e 's/\(...\)\1 /gp' | sed -f rna.sed) echo "$aawork" | sed 's/ //g' echo "$aawork" | tr ' ' '\012' | sort | sed '/^$/d' | uniq -c | sed 's/*\(*\) \(.*\)/\2: \... (3 Replies)

9. Shell Programming and Scripting

Hi everyone, I'm new here and just a beginner in linux scripting. Just want to ask for help on this one. I am trying to create a script that will accept user input (year-month and user/s). I wanted to have the script to continue running, until the user inputs a DATE and name/s of user/s. ... (2 Replies)

10. Shell Programming and Scripting

Hello, I am running a bash script to do an rsync back on a computer running MacOS High Sierra. This is the script I am using, #!/bin/bash # main backup location, trailing slash included backup_loc="/Volumes/Archive_Volume/00_macos_backup/" # generic backup function function backup {... (12 Replies)