want to remove separators from file Post: 302268608

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I have some huge files that are produced daily from a production system written in basic (really). The files are fixed width records, 512 bytes, with newline field separators, newlines if the field is null, and trailing newlines for null fields. The data in the fields can be any ascii...

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I need to print the second field of a file, taking spaces, tab and = as field separators. ; for 16-bit app support MAPI=1 CMC=1 CMCDLLNAME32=mapi32.dll CMCDLLNAME=mapi.dll MAPIX=1 MAPIXVER=1.0.0.1 OLEMessaging=1 asf=MPEGVideo asx=MPEGVideo ivf=MPEGVideo m3u=MPEGVideo

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I have a file with content as shown below. cat t2 : 100,100,"X",1234,"12A",,,"ab,c" Comma is the field seperator, however string fields will be within double quotes and comma within double quotes should not be treated as field seperator. I am trying to replace this field seperator to a...

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how to use two separators in awk.

Hi, Gurus, I have a file like 1 234, 345, 456 2 345, 456, 345 I want to use awk with multipe separator ( one is comma, another is space)print out $1, $3 which should be: 1, 345 2, 456 but I don't know how to put space as separator with another separator. Thanks in advance

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Can one use 2 field separators in awk?

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Hi, I'm trying to parse a text file which uses commas as field separators. Fields are double quoted, and may themselves contain commas, like this: "1","John Smith","London","123" "2","Mary Robertson","Horsham, Sussex","456" This causes problems for the following command cut -d","...

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I try to trim a FTP log using awk, but the escape sequences does not work the way I want it. Input data Wed 3Oct10 21:48:00 - (002117) Sent file d:\ftp\home\tools\htmake.rar successfully (48.2 kB/sec - 40997 Bytes) Wed 3Oct10 22:25:46 - (002118) Sent file d:\ftp\files\main\oct\camera1...

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How do I use multiple field separators in awk? I know that if I use awk -F"", both a and b will be field separators. But what if I need two field separators that both are longer than one letter? If I want the field separators to be "ab" and "cd", I will not be able to use awk -F"". The ...

LEARN ABOUT LINUX

ppmtopgm

ppmtopgm(1)						      General Commands Manual						       ppmtopgm(1)

NAME

       ppmtopgm - convert a portable pixmap into a portable graymap

SYNOPSIS

       ppmtopgm [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as  input.  Produces a portable graymap as output.  The output is a "black and white" rendering of the original
       image, as in a black and white photograph.  The quantization formula used is .299 r + .587 g + .114 b.

       Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any  ppm  program  can
       read  pgm  (and	pbm  ) files automatically.  pgmtoppm is for colorizing a pgm file.  Also, see ppmtorgb3 for a different way of converting
       color to gray.  And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate  the  original
       colors, not necessarily a way that looks like a black and white photograph.

QUOTE

       Cold-hearted orb that rules the night
       Removes the colors from our sight
       Red is gray, and yellow white
       But we decide which is right
       And which is a quantization error.

SEE ALSO

       pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

								   10 April 2000						       ppmtopgm(1)

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1. Shell Programming and Scripting

Fixed width file with newline field separators

Discussion started by: vtischuk@yahoo.

2. Shell Programming and Scripting

AWK multiple fields separators

Discussion started by: PamPam

3. Shell Programming and Scripting

Problem with changing field separators in a file

Discussion started by: mk1216

4. Shell Programming and Scripting

how to use two separators in awk.

Discussion started by: ken002