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Full Discussion: Selective replace and delete
Top Forums UNIX for Dummies Questions & Answers Selective replace and delete Post 302958047 by sonia102 on Sunday 18th of October 2015 11:11:19 PM
Old 10-19-2015
Selective replace and delete
Hi
My input file looks like this:
Code:
>BAHMI01000090.1 Details of the shopping list  9800 item00090, whole set of listed artifacts and objects
>BAHMI01050012.1 Details of the shopping list  9800 item02310, whole set of listed artifacts and objects
>BAHMI01070078.1 Details of the shopping list  9800 item03340, whole set of listed artifacts and objects
>BAHMI01070121.1 Details of the shopping list  9800 item10010, whole set of listed artifacts and objects
>BAHMI01080450.1 Details of the shopping list  9800 item19000, whole set of listed artifacts and objects

Requird output:
Code:
>product00090
>product02310
>product03340
>product10010
>product19000

I tried doing this in 2 steps :

step 1 : using

Code:
sed 's/BAHMI01* Details of the shopping list  9800 item/product/g' inputfile> outputfile

I was expecting a result like

Code:
>product00090, whole set of listed artifacts and objects
>product02310, whole set of listed artifacts and objects
>product03340, whole set of listed artifacts and objects
>product10010, whole set of listed artifacts and objects
>product19000, whole set of listed artifacts and objects

But it didnt work.


Step2 was to use :

Code:
awk '/^>product/ {$0=$1}1' outputfile> outputfile2

But both my commands didn't yield required result

Could someone suggest?
 

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LEARN ABOUT ULTRIX

ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)
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