Visit Our UNIX and Linux User Community

User defined functions in awk

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting User defined functions in awk
# 1  
Old 07-20-2011
User defined functions in awk

Is der ne to to use user defined functions for the values in awk

find $1 -type f -ls | nawk '{{print "|"$3"|"$5"|"$6"|"$8"|"$9"|"$10"|"} for(i=11;i<=NF;i++){printf("%s",$i)}}'

In above command i want to append some values returned by user functions on line.


Last edited by pludi; 07-20-2011 at 10:31 AM..
# 2  
Old 07-20-2011
Not sure what you mean.

You can pass values to awk and then you can use them inside.

something like this:

awk -v v1=function_return '{ use here v1 }' input_file

If it does not help, please post sample input and expected output.

Previous Thread | Next Thread
Test Your Knowledge in Computers #756
Difficulty: Medium
The difference between EPROM and EEPROM is based on the way that the memory programs and erases.
True or False?

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Call user defined function from awk

My requirement is to call function ("fun1") from awk, and print its returned value along with $0. fun1() { t=$1 printf "%02d\n", $t % 60; } echo "Hi There 23" | awk '{print $0; system(fun1 $3)}' Any suggestions what to be modified in above code to achieve requirement.. (5 Replies)
Discussion started by: JSKOBS
5 Replies

2. Shell Programming and Scripting

Mkdir fails when defined and called with functions.

In the below script i found that the alias mkdir_s is getting invoked from function configure() i.e the alias is kicking in. #!/bin/bash -e shopt -s expand_aliases alias mkdir=mkdir_s mkdir_s(){ if ]; then return else /usr/bin/mkdir "$1" return fi } configure() { mkdir -p... (9 Replies)
Discussion started by: mohtashims
9 Replies

3. Shell Programming and Scripting

Question about awk - create a user-defined variable

Hi, guys, The content of file is below (from <UNIX® Shells by Example Fourth Edition>): My code is below: gawk -F'' ' { OFS = "****"; $3 = "(904)"; $8 = $5 + $6 + $7; print } ' The result is below: So, where is the $1? Why is the variable $8 located at the wired position? (3 Replies)
Discussion started by: franksunnn
3 Replies

4. Shell Programming and Scripting

[solved] awk: placement of user-defined functions

Hi folks, is there any recommendation, especially from a point of performance, about where to place a user-defined function in awk, like in BEGIN{} or if it is only need once at the end in END{}? Or doesn't it matter at all since, awk is so clever and only interprets it once, wherever it is... (3 Replies)
Discussion started by: zaxxon
3 Replies

5. Emergency UNIX and Linux Support

Functions defined in header / cpp file behaves different

File: A.h class A { public: struct x X; int show() { x.member_variable ? 0: -1; } }; Now if A.cpp is complied which includes A.h (which is actually in a huge project space) we see that x.member_variable value is not as expected. But if remove the show() method and place... (4 Replies)
Discussion started by: uunniixx
4 Replies

6. Shell Programming and Scripting

user-defined functions, "$@", $jobs and $ps wwaxu

Imagine a user-defined function. func() { /usr/pkg/bin/program long-string-of-switches-and-configs "$@" ;} I execute it once. Then background it. I execute another instance. Then bg it. func unique-user-input ^Z func unique-user-input ^Z First I view with ps ps wwaux ... (0 Replies)
Discussion started by: uiop44
0 Replies

7. Shell Programming and Scripting

Return an array of strings from user defined function in awk

Hello Friends, Is it possible to return an array from a user defined function in awk ? example: gawk ' BEGIN{} { catch_line = my_function(i) print catch_line print catch_line print catch_line } function my_function(i) { print "echo" line= "awk" line= "gawk"... (2 Replies)
Discussion started by: user_prady
2 Replies

8. Shell Programming and Scripting

awk printf for user defined variables

I am working on a SunFire 480 - uname -a gives: SunOS bsmdb02 5.9 Generic_112233-08 sun4u sparc SUNW,Sun-Fire-480R I am tyring to sum up the total size of all the directories for each running database using awk: #!/usr/bin/ksh for Database in `ps -efl | grep "ora_pmon" | grep -v grep |... (1 Reply)
Discussion started by: jabberwocky
1 Replies

9. UNIX for Dummies Questions & Answers

User defined service

I want to add a new IP service which executes a script on SCO OS5. I have amended /etc/services and added to port number (3333) I have amended /etc/inetd.conf and added a line for this service but I can't get it to execute my own shell script When I telnet to the IP address on port 3333 I... (1 Reply)
Discussion started by: markdrury
1 Replies

10. AIX

User defined signal 1

Hi, I am just running a incremental back-up on one of my server. But these days It abrubtly fails with below error. ========== User defined signal 1 =========== When I rerun the back-up, It completed successfully.Earlier this was not happening. Any Idea, what could be the problem... (0 Replies)
Discussion started by: nitesh_raj
0 Replies

Featured Tech Videos