compare & split files Post: 302343158

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Top Forums Shell Programming and Scripting compare & split files Post 302343158 by ss_ss on Tuesday 11th of August 2009 10:03:12 PM

08-11-2009

Registered User

The output should be 3 files splitted from the big file.

Code:

cat rnd.out1
2526716790000008947850036448540401014 R030007150692000                         
2535502720000000010100036165742685000 R030007150354000                         
2554132380000000298300036428156061013 R030007150082000                         
2608117990000000145250036428153472007 R030007148586000                         
2612547640000000055750036452910607010 R030007148076000                         

cat rnd.out4
2511131960000000100000036008715245008 R030007133681000                         
2587377210000000171100036182913145003 R030007131966000                         
2588157990000000190200036459337192005 R030007131975000                         
2599294600000000179600036181101445019 R030007131676000                         
2626160970000000075500036165716085005 R030007131171000                         

cat rnd.out7
2939008270000001725100036182920694027 R030007106040000                         
2941677890000000068000036001629351020 R030007105976000                         
2954673550000000234200036001620285029 R030007105655000                         
2956336840000000038650036001620285029 R030007105697000                         
2956389380000000048000036001620285029 R030007105593000

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LEARN ABOUT DEBIAN

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)