1. Shell Programming and Scripting

If I did indeed grep something out of it, why woudln't $result show nothing? When I do $? , it does show success... What is the proper syntax so that $result shows actual thing it's grepping out? result=`(ssh $host tail -1 /something/somethingelse) | egrep -i "value" >dev/null` #echo... (3 Replies)

2. UNIX for Dummies Questions & Answers

Hi, have a basic query. Please see the below code: list="one two three" for var in $list ; do echo $var list="nolist" Done Wht if I want to print only first/ last line in the list Eg one & three Regards er_ashu (3 Replies)

3. UNIX for Dummies Questions & Answers

I have a script problem that I am not able to solve due my very limited understanding of unix/awk. This is the contents of test.sh awk '{print $1}' From the prompt if I enter: ./test.sh Hello World I would expect to see "Hello" but all I get is a blank line. Only then if I enter "Hello... (2 Replies)

4. Shell Programming and Scripting

sorry for being dumb here, but is there a way my for loop can take an entire line of a file into consideration instead of each word in a line... ill explain if i have a file like this # cat list serial: 23124 hostname: server1 and a script that does this # cat list.sh #!/bin/sh ... (6 Replies)

5. Shell Programming and Scripting

I'm trying to approach a problem but all I'm coming up with are complex ways to manipulate the data. But still not getting the desired outcome. directory of files.... file-100-foo file-100-man file-100-chu Need to copy the files and increment the number in the file name ... (4 Replies)

6. Shell Programming and Scripting

Hi, I have a text file with data in that I wish to extract, assign to a variable and process through a loop. Kind of the process that I am after: 1: Grep the text file for the values. Currently using: cat /root/test.txt | grep TESTING= | awk -F"=" '{ a = $2 } {print a}' | sort -u ... (0 Replies)

7. Shell Programming and Scripting

Hi, I have a loop like this - while read item do // fire insert query done < itemList.txt The itemList.txt has say, 1000 records. Now what I do is that rhough another program, I make the itemList.txt EMPTY, but still the INSERT query keeps firing the sequence of records. ... (18 Replies)

8. Shell Programming and Scripting

hey guys I would really appreciate some help, i need to do a project for a job that requires minimal UNIX scripting and im REALLY stuck basically Im stuck at what i believe is something really simple but i just dont have a clue how to do it efficiently and properly and i REALLY appreciate some... (16 Replies)

9. Shell Programming and Scripting

Hello all! I am very new to shell and Linux in general (I just started 2 days ago), I am trying to write a script that adds the size of the directories and files in a given directory and displays messages if the user puts in something wrong. I think I have covered all the possible problems except... (3 Replies)

10. Shell Programming and Scripting

I have two shell scripts in the different directories listed below, /root/dev/dir1/test.sh /root/dev/dir2/master.sh I am executing the master.sh script from the test.sh like below and getting 'Permission denied' error. #! /bin/sh #test.sh path='/root/dev' $path/dir2/master.sh But it... (2 Replies)