1. Shell Programming and Scripting

I have seen this done before - and maybe there is a better way too. I want to be abe to use a for loop (or other better method) to loop through the database instance names that are part of the script - not an external file where a read might be ok. Here is what I have and I know won't work -... (5 Replies)

2. Shell Programming and Scripting

Can anyone tell me what's wrong with my code here? I'm experiencing weird behavior... I am using 'j' to go down a list filenames saved in a .txt file and prompting the user whether or not she would like to delete each one. This works all well and fine the first run through, but then instead of... (2 Replies)

3. Shell Programming and Scripting

When I run the following command in the shell it works fine. It prints a city name and then a path for a file. ~$ for i in `awk -F':' '{print $0}' /home/knoppix/Desktop/data/subs | grep -m 1 $ city | sed "s/:/ /"` >do >echo $i >done Now, when I place it in this shell script (sh) it prints... (6 Replies)

4. Shell Programming and Scripting

hi, I have to use for loop in my script. The below code is providing an output, 1,2,3,4,5..n. But i need to display the values one by one eg: it has to display the first value then exit from the loop and display the second value then exit till n(last value). for i in 1,2,3,4,5..n do ... (2 Replies)

5. Programming

HI there, I am trying to count manually what this code does but I am stuck and I don't learly see the result. The code works and it compiles and runs but I just don't follow the value of var. #include<stdio.h> #include<stdlib.h> #include<sys/types.h> #include<unistd.h> #include<wait.h>... (2 Replies)

6. UNIX for Dummies Questions & Answers

%%%%% (3 Replies)

7. UNIX for Dummies Questions & Answers

#!/bin/bash function check_num_args() { if ; then echo "Please provide a file name" else treat_as_file $* fi } function treat_as_file() { numFiles=$# for((i=1;i<=$numFiles;i++));do echo $i ... (3 Replies)

8. UNIX for Dummies Questions & Answers

Good evening all I have what might be a simple problem to solve but I do not know how to solve it myself. I am writing a bash script and my code looks something like this: mp3=`ls | grep \.mp3` for f in $mp3 do echo $f done Basically what I want to do is look through the current... (4 Replies)

9. Shell Programming and Scripting

I have the text file where each line has the format: chr10 101418889 101418904 0.816327 Right now the interval between column 2 and 3 is 15. I only want the two consecutive positions starting at position 1, write it to a file, then move up one position write to file etc. So that: ... (1 Reply)

10. Shell Programming and Scripting

I have a shell script which has this while loop line "while read tblName xx; do..." I understand how while loop works but don't know what does this xx stands for? (1 Reply)