Xargs


 
Thread Tools Search this Thread
Top Forums UNIX for Dummies Questions & Answers Xargs
# 1  
Old 09-23-2013
Xargs

Hi,
can anyone tell me in detail ?

what the following do in detail ?
I am trying to get a largest number in a list

Thanks
Tao

Code:
LARGEST=$(echo $* | xargs -n1 | sort -nr | tail -1)


Last edited by vbe; 09-23-2013 at 12:03 PM.. Reason: code tags
# 2  
Old 09-23-2013
Code:
# Echo all arguments
echo $* |
# Print one at a time
xargs -n1 |
# numeric sort in reverse
sort -nr |
# Get last thing in list
tail -1

# 3  
Old 09-23-2013
But how are you giving the list?

Look:
Bourne Shell Tutorial
The way you load LARGEST is by using positional parameters... is that what you want?
# 4  
Old 09-23-2013
The largest will not be with -nr but simply -n option of sort...
 
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Xargs

Hello, I need some help with xargs $ ls aaa bbb ccc ddd$ ls | xargs -I{} ls -la {} -rw-rw-r--. 1 xxx xx 0 May 30 20:04 aaa -rw-rw-r--. 1 xxx xx 0 May 30 20:04 bbb -rw-rw-r--. 1 xxx xx 0 May 30 20:04 ccc -rw-rw-r--. 1 xxx xx 0 May 30 20:04 dddit's possible to have output like this with... (3 Replies)
Discussion started by: vikus
3 Replies

2. Shell Programming and Scripting

Help with xargs

Using the bash shell I'm trying to either create a command for the command line or a script that will show netstat info for a given process name. Here is an example of what I'm trying to do:$ ps aux |grep catalina |grep -v grep | awk '{print $2}' 5132 $ netstat -nlp |grep 5132 (Not all processes... (11 Replies)
Discussion started by: axiopisty
11 Replies

3. Shell Programming and Scripting

xargs

Dear all , any suggest on xargs to combine from (1.txt and 2.txt) to output.txt ? thanks a lot. 1.txt 0123 BUM-5M BUM-5M 93490481 63839 0124 BUM-5M BUM-5M 112112 ... (3 Replies)
Discussion started by: samoptimus
3 Replies

4. Shell Programming and Scripting

Help with xargs

hi Could any one please tell me the option using which we can run multiple commands using xargs I have list of files, I want to run dos2unix and chmod at one shot on them I tried google n searched man pages but couldnt really find the solution , please help right now im doing this ls... (4 Replies)
Discussion started by: sunilmenhdiratt
4 Replies

5. Shell Programming and Scripting

Xargs and

Hello there, Let me show you a simple example of what I am trying to achieve: 1) I have an input text file with some lines: 1 a 2 b 3 c 2) And I want to run a command with these lines as arguments (+ arbitrary extra arguments). For example: $ command "1 a" "2 b" "3 c" "bye" I... (7 Replies)
Discussion started by: tokland
7 Replies

6. Shell Programming and Scripting

Help in using xargs

Hi, I have a requirement to RCP the files from remote server to local server. Also the RCP has to run in parallel. However using 'xargs' retrives 2 file names during each loop. How do we restrict to only one file name using xargs and loop till remaining files. I use the below code for... (2 Replies)
Discussion started by: senthil3d
2 Replies

7. Shell Programming and Scripting

Using xargs

hi i just want to know that how do we use xargs command to find files which are greater than specified memory in a given directory (6 Replies)
Discussion started by: sumit the cool
6 Replies

8. UNIX for Advanced & Expert Users

xargs -P

I discovered that GNU's xargs has a -P option to allow its processes to run in parallel. Great! Is this a GNU thing, or is it supported by other platforms as well? (4 Replies)
Discussion started by: otheus
4 Replies

9. Shell Programming and Scripting

why we use xargs..

hi , can anyone help me by saying why we use xargs.. is it acing like a place holder..? thanks, Krips. (3 Replies)
Discussion started by: kripssmart
3 Replies

10. UNIX for Dummies Questions & Answers

Help with xargs

Hi there, I am trying to move around 3000 files from one directory to another. The mv command is complaining from too many arguments. I tried to use the xargs command but with no luck. Could some body provide help? Regards (4 Replies)
Discussion started by: JimJim
4 Replies
Login or Register to Ask a Question