Struggling with AWK


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Struggling with AWK
# 8  
Old 10-23-2009
Quote:
Originally Posted by TonyLawrence
Awk is, well, awkward.
awk is awkward if you don't know how to awk.

With regards to string parsing and text manipulation, both are on par, sometimes awk is better with regards to speed and conciseness.

---------- Post updated at 01:10 AM ---------- Previous update was at 01:07 AM ----------

Quote:
Originally Posted by moldoverb
I get as far as:

Code:
awk '
FS="\t";
BEGIN {
while (getline <"file1.txt"){
$fieldq==$1;

and I can't figure out how to read in the second file to do the comparison and then print $0 from file2.
put your FS into BEGIN block. In the BEGIN block, you can't access field variables $1-$n.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

awk output yields error: awk:can't open job_name (Autosys)

Good evening, Im newbie at unix specially with awk From an scheduler program called Autosys i want to extract some data reading an inputfile that comprises jobs names, then formating the output to columns for example 1. This is the inputfile: $ more MapaRep.txt ds_extra_nikira_usuarios... (18 Replies)
Discussion started by: alexcol
18 Replies

2. Shell Programming and Scripting

HELP with AWK one-liner. Need to employ an If condition inside AWK to check for array variable ?

Hello experts, I'm stuck with this script for three days now. Here's what i need. I need to split a large delimited (,) file into 2 files based on the value present in the last field. Samp: Something.csv bca,adc,asdf,123,12C bca,adc,asdf,123,13C def,adc,asdf,123,12A I need this split... (6 Replies)
Discussion started by: shell_boy23
6 Replies

3. Shell Programming and Scripting

Parsing file: struggling against sed command

Hello fellows, Sure you can help this poor guy that is struggling against sed command, being unable to tame it I have a lot of files like this: From this one, I need to obtain values highlighted in bold/red To do so, I am executing this piece of code inside a loop: ... (10 Replies)
Discussion started by: manolain
10 Replies

4. UNIX for Dummies Questions & Answers

Struggling to combine two Greps statements

Greetings! I have been tasked to create a report off files we receive from our hardware suppliers. I need to grep these files for two fields 'Test_Version' and 'Model-Manufacturer' ; for each field, I need to capture their corresponding values. When running each statement separately, I get... (4 Replies)
Discussion started by: alan
4 Replies

5. Shell Programming and Scripting

Struggling with arrays and delimited file

Hi, I am trying to use arrays in my script but can not seem to get it to work. I have a file called sections, this contains headers from a tripwire log file, separated by "@" but could be "," if easier The headers will be used to cut sections from the log file into another to be mailed. ... (5 Replies)
Discussion started by: pobman
5 Replies

6. Shell Programming and Scripting

struggling within awk

!#/bin/bash cat input.sh | awk ' { cur1=tolower($1) cur2=tolower($2) rsh $cur1 report | grep $cur2 # i just want to make the code line to work } ' the error which i get is .... ./madh1.sh: line 1: !#/bin/bash: No such file or directory awk: cmd. line:13: rsh $cur1 report |... (4 Replies)
Discussion started by: geeko
4 Replies

7. UNIX for Advanced & Expert Users

Help- Unix File Compare- Struggling

I had posted this earlier about 3 weeks ago and had recieved a response and I did sort both the files and the comm command is still not working. Can someone please assist me, I would really appreciate it. Below is what I am trying to do I need to compare File A with File B and create FILE C... (2 Replies)
Discussion started by: guiguy
2 Replies

8. Shell Programming and Scripting

Struggling with a text file

Hi, I am struggling with the following... I try to grep out information of a text file I got with lynx, a text browser. The text file I get from lynx with dump is attached in the bottom. What I would like to get is another file containing the astro-ph/98324 (number) and title and list of... (13 Replies)
Discussion started by: pau
13 Replies

9. UNIX for Dummies Questions & Answers

Struggling with mkfifo

Gurus, I did my research (on google, this site and my local library) but I am *still* lost. I am trying to teach myself about `named pipes` playing around with MKFIFO (Why not?). (1) It seems MKNOD is reserved to ROOT whereas MKFIFO is accessible to all users. Am I correct? If the answer is... (20 Replies)
Discussion started by: alan
20 Replies

10. UNIX for Dummies Questions & Answers

struggling with addusr ...

I'm completely new to UNIX, and having got the hang of directory navigation / creation (Just about), I think it is time to create an FTP account, so that I can upload a web site remotely. Herein lies the problem... 1: I cannot find a breakdown of addusr commands, so I cannot create a... (2 Replies)
Discussion started by: Dufty
2 Replies
Login or Register to Ask a Question