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Full Discussion: Dynamic Attribute Changes
Top Forums Shell Programming and Scripting Dynamic Attribute Changes Post 302094545 by er_aparna on Monday 30th of October 2006 12:25:30 AM
Old 10-30-2006
Dynamic Attribute Changes

Hello ,

I am stuck out in a part of my script, though I am trying it through a script of loops but i emphasis on having a short code :


Input file has Attribute values changing with time

Date Monday October 30 10:22:56 IST 2006
object values references Date
Priya 157676 101 Oct 18 14:34
Ananya 157677 102 Oct 18 14:34
Rahul 157678 103 Oct 18 14:34
Neha 157679 104 Oct 18 14:34
Mrinal 157680 105 Oct 18 14:34
Pakash 157681 106 Oct 18 14:34
Chhavi 157682 107 Oct 18 14:34
Rita 157683 108 Oct 18 14:34
Tina 157684 109 Oct 18 14:34
Waqir 157685 109 Oct 18 14:34
Date Monday October 30 10:23:56 IST 2006
object values references Date
Priya 145020 101 Oct 18 14:34
Ananya 157677 102 Oct 18 14:34
Rahul 157678 103 Oct 18 14:34
Neha 157679 104 Oct 18 20:55
Mrinal 157680 105 Oct 18 14:34
Pakash 157681 124 Oct 18 14:34
Chhavi1 157682 107 Oct 18 14:34
Rita 157683 108 Oct 20 14:34
Tina 157684 109 Oct 18 14:34
Waqir 157685 109 Oct 18 14:34
Date Monday October 30 10:24:56 IST 2006
object values references Date
Priya 145687 101 Oct 18 14:34
Ananya 157677 102 Oct 11 14:34
Rahul 157678 104 Oct 18 14:34
Neha 157679 104 Oct 18 20:55
Mrinal 157680 105 Oct 18 14:34
Pakash 157681 106 Oct 18 14:34
Chhavi 157682 107 Oct 18 14:34
Rita 157683 108 Oct 18 14:34
Tina 157684 109 Oct 18 14:34
Waqir 157685 109 Oct 18 14:34

The Objects Changes the value/Refernces and date within a min
Thus the output file should conatins the list of objects whose parameters has changed

Output file
Date/Time Object Values Refernces Date
October 30 10:22:56 Priya 157676 101 Oct 18 14:34
October 30 10:23:56 Priya 145020 101 Oct 18 14:34
October 30 10:24:56 Priya 145687 101 Oct 18 14:34
October 30 10:22:56 Pakash 157681 106 Oct 18 14:34
October 30 10:23:56 Pakash 157681 124 Oct 18 14:34
October 30 10:24:56 Pakash 157681 106 Oct 18 14:34
October 30 10:22:56 Chhavi 157682 107 Oct 18 14:34
October 30 10:23:56 Chhavi1 157682 107 Oct 18 14:34
October 30 10:24:56 Chhavi 157682 107 Oct 18 14:34


Output file signifies that any change in object parameters should list what was the past object parameters, changed parameters and
new parameters after change .

I beleive its a really challenging taks which I am trying to sort out from past few days...
It would be really great if anyone could help me in This

KRegards,
Aparna
 

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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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