1. Shell Programming and Scripting

Greetings All!! I have a very peculiar problem where I have to parse a big text file and extract useful data out of it with starting and ending block pattern matching. e.g. I have a input file like this: sample data block1 sample data start useful data end sample data block2 sample... (5 Replies)

2. UNIX for Dummies Questions & Answers

Hi, I have some ps files where I want to ectract/copy a certain number from and use that number to rename the ps file. eg: 'file.ps' contains following text: 14 (09 01 932688 0)t the text can be variable, the only fixed element is the '14 ('. The problem is that the fixed element can appear... (7 Replies)

3. Shell Programming and Scripting

Hello Gurus, We are facing some performance issue in UNIX. If someone had faced such kind of issue in past please provide your suggestions on this . Problem Definition: /Few of load processes of our Finance Application are facing issue in UNIX when they uses a shell script having below... (19 Replies)

4. Shell Programming and Scripting

Hi Everyone, I am using a centos 5.2 server as an sflow log collector on my network. Currently I am using inmons free sflowtool to collect the packets sent by my switches. I have a bash script running on an infinate loop to stop and start the log collection at set intervals - currently one... (2 Replies)

5. Shell Programming and Scripting

Hi All I wanted to know how to effectively delete some columns in a large tab delimited file. I have a file that contains 5 columns and almost 100,000 rows 3456 f g t t 3456 g h 456 f h 4567 f g h z 345 f g 567 h j k lThis is a very large data file and tab delimited. I need... (2 Replies)

6. Shell Programming and Scripting

Hello all, newbie here. I've searched the forum and found many "how to split a text file" topics but none that are what I'm looking for. I have a large text file (~15 MB) in size. It contains a variable number of "paragraphs" (for lack of a better word) that are each of variable length. A... (3 Replies)

7. Shell Programming and Scripting

consider the input file which i am dealing with looks like this.. #cat 11.sql create table abc ( . . . ) engine=Innodb ; . . etc . . . create table UsM ( blah blah blah ) engine=Innodb ; (5 Replies)

8. Shell Programming and Scripting

Hello I have a large file with lines beginning with 552, 553, 554, below is a small sample, I need to extract the data you can see below highlighted in bold from this file on the same location on every line and output it to a new file. Thank you in advance for any help 55201KL... (2 Replies)

9. UNIX for Dummies Questions & Answers

Hi, I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)

10. Shell Programming and Scripting

Hello, new to the forums and to awk. Glad to be here. :o I want to pass two shell (#!/bin/sh) variables through to awk and use them. They will determine where to start and stop text extraction. The code with the variables hard-coded in awk works fine; the same code, but with the shell... (7 Replies)