Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Identifying same character and ouput the sum

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Identifying same character and ouput the sum
# 8  
Old 03-21-2007
Code:
awk ' !arr[$1]++ { print $1 } ' file

# 9  
Old 03-21-2007
Hi Anbu,

I have the below error when i use this in a csh shell. Do you know what error prompt this ?

arr[$1]++: Event not found
# 10  
Old 03-21-2007
Leave a space between ! and arr
Code:
awk ' ! arr[$1]++  { print $1 } ' file

# 11  
Old 03-21-2007
Quote:
Originally Posted by Raynon
Hi Anbu,

I have the below error when i use this in a csh shell. Do you know what error prompt this ?

arr[$1]++: Event not found
I am not sure whether you are looking for a solution in awk, but why can't you try using the simple commands..

cut -f1 -d" " filename | uniq
# 12  
Old 03-21-2007
Thanks jacoden,

I didn;t know unix exist such command.

But can you explain what is the meaning of this syntaxcut -f1 -d" " ?
# 13  
Old 03-22-2007
cut -f1 -d" " ---> will extract the first field (f1)in a file seperated by the delimitter " " (or, a space).
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to ouput not in file2 using awk?

Hi All, Seeking for your assistance on how to ouput the file which is not match in file 1 and file 2 using awk. I tried NR=FNR but it's not working, it will only show the match record. Ex. File1 abc def ghi File2 23a gd abc Output: abc (2 Replies)
Discussion started by: znesotomayor
2 Replies

2. Shell Programming and Scripting

<< Filter and Format the ouput >>

Hi All, I have a output like below $ cat aa.lst Value of output parameters --------------------------------------- Parameter Name : SNAPSHOTTIMESTAMP Parameter Value : 2014-01-07-15.21.50.022423 Parameter Name : DATABASESIZE Parameter Value : 96178176 ... (2 Replies)
Discussion started by: kamauv234
2 Replies

3. Shell Programming and Scripting

Parse ouput within an AWK Command

I have a script that I am writing to parse the output of information from a command. Here is one of the lines of the output exported into the variable OUTPUT: export OUTPUT=”name_of_system,0,5,9,55,ip_address,another_value,/PATH/OF/A/VALUE/I/NEED" I can get the output I need... (5 Replies)
Discussion started by: jake0391S
5 Replies

4. Shell Programming and Scripting

Format Ouput

I have this input file Switch 0; Sun Sep 11 12:40:53 2011 EDT (GMT+4:00) 12:40:53.159984 SCN Port Offline;g=0x1e4b6 A2,P0 A2,P0 379 NA 12:40:53.159991 *Removing all nodes from port A2,P0 A2,P0 379 NA 18:45:31.326604 Port Elp engaged ... (1 Reply)
Discussion started by: greycells
1 Replies

5. Shell Programming and Scripting

View ouput as a file

Hi all , I have a view in teradata , the ouput of that view have to be stored as a file with delimitere as '|'.Is there any possibility of doing this in unix ? Thanks in advance , Vinoth (6 Replies)
Discussion started by: vino.paal
6 Replies

6. Shell Programming and Scripting

Print sum and relative value of the sum

Hi i data looks like this: student 1 Subject1 45 55 Subject2 44 55 Subject3 33 44 // student 2 Subject1 45 55 Subject2 44 55 Subject3 33 44 i would like to sum $2, $3 (marks) and divide each entry in $2 and $3 with their respective sums and print for each student as $4 and... (2 Replies)
Discussion started by: saint2006
2 Replies

7. UNIX for Dummies Questions & Answers

Finding string and getting formatted ouput

I have follwoing text file as alarm dump. A1/EXT "B25I11K0150_F W" 512 090629 1121 RADIO X-CEIVER ADMINISTRATION BTS EXTERNAL FAULT MO RSITE CLASS RXOCF-405 DKRD01_INDS 1 EXTERNAL ALARM MAINS FAIL ... (1 Reply)
Discussion started by: lalchand
1 Replies

8. Shell Programming and Scripting

Cannot redirect ouput?????

Hello experts, I'm testing a program that prints error message to the screen. I want to redirect the output to a file using >. but the message only prints on screen and not writing to the file, Any suggestion on what I might try? (3 Replies)
Discussion started by: minifish
3 Replies

9. Windows & DOS: Issues & Discussions

Wrong Ouput when using printf under SFU

I used printf to print the following under SFU, lrs=`cat lrs` hrs=`cat hrs` tp=`cat tp` printf “\n\n%5sM = $lrs Ohms%5sX = $hrs Ohms%5sT = $tp %%\n\n\n” > file cat file With the above script, I used %% after $tp only as a percentage sign and I get only the following output: % T =... (5 Replies)
Discussion started by: ilak1008
5 Replies

10. Shell Programming and Scripting

capture the ouput!

Hi, my perl script is calling another external java program. The Java in turn prints out a string. how can I capture the string. ------------------ #!/usr/bin/perl print "Content-type:text/html\n\n"; use CGI; $query = new CGI; $theCookie = $query->cookie('someCookie'); $user =... (0 Replies)
Discussion started by: azmathshaikh
0 Replies
Login or Register to Ask a Question