10-13-2009
Variable Sized Array Length Question
I need to implement the following logic and need some expert help from UNIX community.
These are the steps in my Shell script.
1. Analyze a file.
2. Extract all the ID's in that file.
3. Use the ID's from #2 to run another filter on the file.
I've implemented # 1 and 2 using shell / perl scripts.
My problem is that the # of ID's can vary from each run. How can I grep with a variable sized array?
For example, my first run would be:
ID's = <id1, id2, id3>
cat <file1> | grep <id1, id2, id3>
for second run, this would look like:
ID's = <id1, id2, id3, ... id60>
cat <file1> | grep <id1 ... id60>
thank you,
Kalpesh
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Is there a command that sets a variable length?
I have a input of a variable length field but my output for that field needs to be set to 32 char.
Is there such a command?
I am on a sun box running ksh
Thanks (2 Replies)
Discussion started by: r1500
2 Replies
2. UNIX for Dummies Questions & Answers
Hi, all.
I need to convert a file tab delimited/variable length file in AIX to a fixed lenght file delimited by spaces. This is the input file:
10200002<tab>US$ COM<tab>16/12/2008<tab>2,3775<tab>2,3783
19300978<tab>EURO<tab>16/12/2008<tab>3,28523<tab>3,28657
And this is the expected... (2 Replies)
Discussion started by: Everton_Silveir
2 Replies
3. Shell Programming and Scripting
Very, very new to unix scripting and have a unique situation. I have a file of records that contain 3 records types:
(H)eader Records
(D)etail Records
(T)railer Records
The Detail records are 82 bytes in length which is perfect. The Header and Trailer records sometimes are 82 bytes in... (3 Replies)
Discussion started by: jclanc8
3 Replies
4. Shell Programming and Scripting
Dear all,
I have basic knowledge of Unix script and her I am trying to process variable length and variable format CSV file.
The file length will depend on the numbers of Earnings/Deductions/Direct Deposits.
And
The format will depend on whether it is Earnings/Deductions or Direct Deposits... (2 Replies)
Discussion started by: chechun
2 Replies
5. Shell Programming and Scripting
Hi,
Can anyone help with a effective solution ?
I need to change a variable length text field (between 1 - 18 characters) to a fixed length text of 18 characters with the unused portion, at the end, filled with spaces.
The text field is actually field 10 of a .csv file however I could cut... (7 Replies)
Discussion started by: dc18
7 Replies
6. Programming
I successfully compiled code like below.
#include<stdio.h>
#include<string.h>
int main()
{
int co = 9;
char a;
strcpy(a, "hahahah");
printf("co=%d\n", co);
printf("a=%s\n", a);
return 0;
} (7 Replies)
Discussion started by: vistastar
7 Replies
7. Shell Programming and Scripting
Hello All,
I have this script that does stuff like "starting, stopping & restarting" a Daemon Process running on my machine...
My main question is why in part of my code (which you will see below) does the Array Length (i.e. ${#PIDS} )
return "1" when I know the Array is empty..?
Here is... (17 Replies)
Discussion started by: mrm5102
17 Replies
8. Shell Programming and Scripting
Hi All,
I have a file which has hundred of records with fixed number of fields. In each record there is set of 8 characters which represent the duration of that activity. I want to sum up the duration present in all the records for a report. The problem is the duration changes per record so I... (5 Replies)
Discussion started by: danish0909
5 Replies
9. Shell Programming and Scripting
while i've used arrays to work with variables, i've never used them to loop through a set of strings and wanted to ask the community for some feedback or assistance.
let me be specific. here's my code:
# URL port Variables
port2195=`nc -z $url2195 2195`
port2196=`nc -z $url2196 2196`... (5 Replies)
Discussion started by: hungryd
5 Replies
10. Shell Programming and Scripting
Hi Team,
I have an issue to split the file which is having special chracter(German Char) using awk command.
I have a different length records in a file. I am separating the files based on the length using awk command.
The command is working fine if the record is not having any... (7 Replies)
Discussion started by: Anthuvan
7 Replies
LEARN ABOUT CENTOS
pppoe-setup
PPPOE-SETUP(8) System Manager's Manual PPPOE-SETUP(8)
NAME
pppoe-setup - Shell script to configure Roaring Penguin PPPoE client
SYNOPSIS
pppoe-setup
DESCRIPTION
pppoe-setup is a shell script which prompts you for various pieces of information and sets up an /etc/sysconfig/network-scripts/ifcfg-ppp0
configuration script for the pppoe-start, pppoe-stop and +pppoe-connect scripts.
AUTHOR
pppoe-setup was written by David F. Skoll <dfs@roaringpenguin.com>.
The pppoe home page is http://www.roaringpenguin.com/pppoe/.
SEE ALSO
pppoe(8), pppoe-start(8), pppoe-stop(8), pppoe-connect(8), pppd(8), pppoe.conf(5), pppoe-status(8), pppoe-sniff(8), pppoe-relay(8), pppoe-
server(8)
4th Berkeley Distribution 21 February 2000 PPPOE-SETUP(8)