10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Below script is called as Reducer, I am not sure how it work, can some expert explain me what this script does as i am a beginner.
inputfile:
hi hi how are are you
code:
#!/bin/bash
lastkey=""; -- what does this mean, because i saw in debug mode it is taking value as hi
count=0;... (13 Replies)
Discussion started by: mirwasim
13 Replies
2. Shell Programming and Scripting
Heyas
Recently i wanted to help someone with an awk script, but the end-script didnt work as expected.
He wanted, if HOME was empty, to get the HOME of the current USER from /etc/passwd.
At first i tried hardcoded with root:
awk -F: '/^root/ {print $6}' /etc/passwd
As that worked, i've... (4 Replies)
Discussion started by: sea
4 Replies
3. Shell Programming and Scripting
Hello
I am working on a Change request and Stuck at a point. The below awk command is used in the function.
float_test ( ) {
echo | awk 'END { exit ( !( '"$1"')); }'
}
I understand that awk 'END' is used to add one line at the end and exit is used to end the script with an error... (4 Replies)
Discussion started by: rahul2662
4 Replies
4. UNIX for Dummies Questions & Answers
I found this on an awk site and would like to know what it does:
/CARS/{x="";next} {if(x)print x;x=$0} END{if(x)print x}'
Does it mean if it finds the word cars it skips that line and then prints the next one? (4 Replies)
Discussion started by: newbie2010
4 Replies
5. Shell Programming and Scripting
Hi Experts,
I was looking at the below link, for finding words next to it, And unable to understand this syntax:
Can any one please explain , what is meaning of this code:
if ( F )
s = s ? s OFS $i : $i
from:... (4 Replies)
Discussion started by: rveri
4 Replies
6. Shell Programming and Scripting
Hi,
Could somebody help me in understanding the following awk expression:
awk -v n="POINT" '/%/{print $0 "\n" n ;next}1' < file name
Thanks,
Arun (6 Replies)
Discussion started by: arun_maffy
6 Replies
7. UNIX for Dummies Questions & Answers
Hey all,
So I have an AWK command here
awk '{if(FNR==NR) {arr++;next} if($0 in arr) { arr--; if (arr == 0) delete arr;next}{print $0 >"list2output.csv"}} END {for(i in arr){print i >"list1output.csv"}}' list1 list2
(refer to image for a more readable format)
This code was submitted... (1 Reply)
Discussion started by: Aussiemick
1 Replies
8. UNIX for Dummies Questions & Answers
Hi
I have an awk script running in ksh in which a section of code is picking out the datetime as follows:
dia=`echo $starttime | nawk '{ printf "%02d\n", substr($1,9,2)}'`
mes=`echo $starttime | nawk '{ printf "%02d\n", substr($1,6,2)}'`
ano=`echo $starttime | nawk '{ printf "%02d\n",... (3 Replies)
Discussion started by: shajju
3 Replies
9. Shell Programming and Scripting
Hi Guys,
I was recently come across some code to hopefully learn a little bit about putting Shell commands into PHP application to run on a Linux server. However, I don't understand the command AT ALL... and was wondering if anyone can interpret it:
cat userIDs.dat | awk '{s=s+1; if... (1 Reply)
Discussion started by: jordRiot
1 Replies
10. Shell Programming and Scripting
Hello Friends,
I am new to the scripting & have to analyze bunch of regular production scripts. It has .ksh which calls on the .awk script having many functions
I need to understand and debug the scripts ASAP
Can anybody please let me know as how can I debug, I want to see the flow of code... (3 Replies)
Discussion started by: amberj123
3 Replies