Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Need help in assigning output of n commands to n variables automatically inside a for loop

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Need help in assigning output of n commands to n variables automatically inside a for loop
# 8  
Old 04-20-2011
How about with a slight modification to your shell script...
Code:
for i in 3 4 5 6
do
        eval cs$i=`awk -v x=$i -F"|" '{sum+=$x} END {print sum}' css`
done
echo $cs3 $cs4 $cs5 $cs6

# 9  
Old 04-20-2011
which runs awk 4 times to do something it could've done the first time around...
# 10  
Old 04-20-2011
yes i shold have ready the op's earlier posts
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Assigning values to 2 variables within for loop

Hi All, Is it possible to grep for two files and assign their names to two separate variables with for loop? I am doing the below currently: if then for fname in $( cd $dirA ; ls -tr | grep "^Ucountry_file$") do InFile=$dirA/$fname ... (4 Replies)
Discussion started by: swasid
4 Replies

2. Shell Programming and Scripting

Getting phone number, its message and assigning them into 2 variables then screen output.

Hi Everyone, I have a flatfile "inbox.txt" which contains some information: Location 0, folder "Inbox", SIM memory, Inbox folder SMS message SMSC number : "+24800000023" Sent : Sat 04 Aug 2012 09:01:00 PM +0700 Coding : Default GSM alphabet... (5 Replies)
Discussion started by: testcase
5 Replies

3. Shell Programming and Scripting

problem in assigning substr to a variable inside awk

Hi All, I have a fixed-width datafile from which i need to extract value/string starting from some position to the specified length in each of the lines. awk '{print substr($0,x,y)}' datafile --- is working fine but awk 'BEGIN{a=0}{a=substr($0,x,y);print $a}' datafile ---is giving... (3 Replies)
Discussion started by: loggedin.ksh
3 Replies

4. Shell Programming and Scripting

How to give a variable output name in a shell script inside a for loop

Hi all I run my program prog.c in the following way : $ ./prog 1 > output.txt where 1 is a user defined initial value used by the program. But now I want to run it for many a thousand initial values, 1-1000, and store all the outputs in different files. Like $ ./prog 1... (1 Reply)
Discussion started by: alice06
1 Replies

5. Solaris

Assigning Temp IP inside zones

I want to assign ip to a zone , but i dont want that ip to be retained when the zone is rebooted , is there a way to do it ? Thx (7 Replies)
Discussion started by: skamal4u
7 Replies

6. Shell Programming and Scripting

Using variables created sequentially in a loop while still inside of the loop [bash]

I'm trying to understand if it's possible to create a set of variables that are numbered based on another variable (using eval) in a loop, and then call on it before the loop ends. As an example I've written a script called question (The fist command is to show what is the contents of the... (2 Replies)
Discussion started by: DeCoTwc
2 Replies

7. Shell Programming and Scripting

Assigning inside for loop

If I have 3 variables and I want to check if any of these is null. If one of them is null then it should be assigned a value of 0.I have the following code below. The output should be 0 is A, 11 is B, 33 is C $a= $b=11 $c=33 $echo $a $b $c $11 33 for i in "${a}" "${b}" "${c}"; do ... (2 Replies)
Discussion started by: thana
2 Replies

8. UNIX for Dummies Questions & Answers

assigning variables from standard output

What am I doing wrong? I was searching for the answer to assigning variables from output. I found this simple response ls -l apply_want.m | read perms links owner group size mtime1 mtime2 mtime3 file this should allow me to echo the variables echo "$perms | $links | $owner | $group |... (2 Replies)
Discussion started by: whamchaxed
2 Replies

9. Shell Programming and Scripting

Assigning nawk output to variables

I do a lot of command line scripting to capture data from files or other command output. I've checked in a number of Unix and scripting books but for the life of me I can't find out how to asign field data from nawk output into variables that I can manipulate later. For example, reading a two... (6 Replies)
Discussion started by: steveje0711
6 Replies

10. UNIX for Dummies Questions & Answers

assigning variables

Before I even attempt this, is it possible to grep for a pattern, maybe a partial sentence like "go to page 3", assign that to a variable and then use awk or something to pull out the 3 and assign it to a variable? So first I would have Gotopg = "go to page 3" then page = 3 (9 Replies)
Discussion started by: k@ssidy
9 Replies
Login or Register to Ask a Question