1. Shell Programming and Scripting

i need to check if any user has logged-in more than once in different terminals and then print the count of those login, so i wrote this command, who -H | wc -l but i feel its not accurate , something is wrong ,i have been trying for a long time by trial n error to solve it, but i need... (2 Replies)

2. Shell Programming and Scripting

I was trying to see all combinations of foreground and background colors in BASH. This works fine for me, echo -e '\E[37;46m TEXT' but when I tried the below script, the variables i and j do not expand. #!/bin/sh for i in `seq 30 37` # foreground do for j in `seq 40... (4 Replies)

3. Shell Programming and Scripting

Hi, I am using BASH. In a directory there are files that match either of the following 2 patterns: *.L1A_AC* or S*.L1A_MLAC* I would like to write a script that will include a for loop, where for each file in the directory, a certain function will be performed. For example: for FILE in... (4 Replies)

4. Shell Programming and Scripting

I jus want to know the meaning of the below command line(exclamation following that re-direction) sqlplus -s `cat /home/sample.txt` <<! Thanks!! (1 Reply)

5. UNIX for Dummies Questions & Answers

Hi , Struck with one basic question. Iam expecting word count of 4 where "wc" is showing as 5 . # echo "abcd" | wc 1 1 5 # echo abcd | wc 1 1 5 (5 Replies)

6. Shell Programming and Scripting

Hello All, I am setting up a cron job, where i am calling a shell script to make few builds. I got struck at a point, need some expert inputs to proceed further. The script is categorized in 5 parts and in the last part while building software it asks for few questions like:- 1. Build mode... (4 Replies)

7. Red Hat

How to create a file with specific size in RHEL6 (1 Reply)

8. UNIX for Beginners Questions & Answers

in my shell script requirement is to search and replace the file with variable so i use the following command sed -i "s/abc/$SCHEMA/g" table.sql later when the script runs sqlplus username/pwd@Table& this & is not letting the variable to replace the value inside the file .please let me know... (1 Reply)

9. UNIX for Advanced & Expert Users

What is the point of this? Whenever I close my shell it appends to the history file without adding this. I have never seen it overwrite my history file. # When the shell exits, append to the history file instead of overwriting it shopt -s histappend (3 Replies)