Efficient Text File Writing Post: 302631043

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1. UNIX for Dummies Questions & Answers

Picking out text from one file and writing it to another.

Hello. I have one file that is a collection of discarded emails. Each email is it's own section with each section beginning with the same header (ie 'Another Email' ). I want to traverse through the file and every time I find the header ('Another Email') I then want to pick out the 'To:' line...

2. Shell Programming and Scripting

writing data in a text file at particular line

I need to write value of variable $version at a particular line in a text file. Line number is determined by another variable &line......I don't know how to do it in shell script ...

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efficient raid file server

I need to put together a RAID1 file server for use by Windoze systems. I've built zillions of windows systems from components. I was a HPUX SE for a long time at HP, but have been out of the game for years. I've got an old workhorse mobo FIC PA-2013 with a 450 MHz K6 III+ I could use, but I'd...

4. Shell Programming and Scripting

Need help in writing a script to create a new text file with specific data from existing two files

Hi, I have two text files. Need to create a third text file extracting specific data from first two existing files.. Text File 1: Format contains: SQL*Loader: Release 10.2.0.1.0 - Production on Wed Aug 4 21:06:34 2010 some text ............so on...and somwhere text like: Record 1:...

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Writing text to file

Hi, I know the code to write a piece of text to the end of a given text file is echo $text >> filename.txt I would like to know how to write a piece of text to a file using shell, but the file name isn't given. I want it to write to whatever text file is currently open. Not to all text files...

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Efficient way of extracting data from file

I am having a file, around 500 lines. which contains one letter words, two letters words,...and so on(up to 15 letter words and words are not seprated by line). I need to compare all 1 letter words with 3,4,5 and 6 letters word, all 2 letters words with 2,3,4 and 5 letters words and all 3 letters...

7. Shell Programming and Scripting

Efficient population of array from text file

Hi, I am trying to populate an array with data from a text file. I have a working method using awk but it is too slow and inefficent. See below. The text file has 70,000 lines. As awk is a line editor it reads each line of the file until it gets to the required line and then processes it....

8. Shell Programming and Scripting

Most efficient method to extract values from text files

I have a list of files defined in a single file , one on each line.(No.of files may wary each time) eg. content of ETL_LOOKUP.dat /data/project/randomname /data/project/ramname /data/project/raname /data/project/radomname /data/project/raame /data/project/andomname size of these...

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Efficient way to search array in text file by awk

I have one array SPLNO with approx 10k numbers.Now i want to search the subscriber number from MDN.TXT file (containing approx 1.5 lac record)from the array.if subscriber number found in array it will perform below operation.my issue is that it's taking more time because for one number it's search...

10. Shell Programming and Scripting

Portable and efficient way to add text after pattern

Shell: sh/bash OS: Linux (all unix flavors) Suppose i have a variable with this content: ArgZ=' import os import sys MySpecialpath = os.path.abspath(sys.argv) # ' ArgZB='#REGEN #REGEN #REGEN ' I want to add this text to a file/script, only under the following conditions: 1. ...

LEARN ABOUT DEBIAN

wvversion

wvVersion(1)						      General Commands Manual						      wvVersion(1)

NAME

       wvVersion - view word document's version #

SYNOPSIS

       wvVersion word_doc

DESCRIPTION

       wvVersion displays the word version number of a MSWord document. 8=Word97, 7=Word95, ...

MORE INFORMATION

       http://wvware.sourceforge.net

SEE ALSO

       wvAbw(1),  wvWare(1),  wvHtml(1),  wvLatex(1), wvCleanLatex(1), wvPS(1), wvPDF(1), wvDVI(1), wvRTF(1), wvText(1), wvWml(1), wvMime(1), cat-
       doc(1), word2x(1)

AUTHOR

	Dom Lachowicz (current author and maintainer)
	WEB: http://wvware.sourceforge.net
	MAIL: cinamod@hotmail.com

																      wvVersion(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Picking out text from one file and writing it to another.

Discussion started by: scottf33

2. Shell Programming and Scripting

writing data in a text file at particular line

Discussion started by: punitpa

3. UNIX for Dummies Questions & Answers

efficient raid file server

Discussion started by: pcmacd

4. Shell Programming and Scripting

Need help in writing a script to create a new text file with specific data from existing two files

Discussion started by: shashi143ibm