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Full Discussion: extracting data
Top Forums Shell Programming and Scripting extracting data Post 302537302 by Lucky Ali on Thursday 7th of July 2011 03:38:37 PM
Old 07-07-2011
Sorry it didn't work as needed
Let me give you some actual data that I am dealing with:
Code:
  58    390
BA1_
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCGACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCGTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
BA
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCCACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCTTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAAGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
BC23_
GTATACATTATTGATGAAGTTCACATGCTTTCTATGGGTGCATTCAATGCGCTTTTAAAA
ACCTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCTCATAAG
ATCCCACCTACAATCATTTCACGTTGTCAGCGCTTTGAATTCCGAAAAATATCAGTGAAT
GATATTGTTGAGAGATTATCAACGGTCGTGACAAATGAAGGTACGCAAGTGGAAGGTGAA
GCATTACAAATTGTTGCGCGTGCTGCCGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCTATATCTTATAGTGATGAGATTGTTACGACAGAAGATGTATTGGCCGTAACA
GGACGTGATATGTTCCGTAAGTTGAGTGAA
BC
GTATACATTATTGATGAAGTTCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAACCGCCAGGACATGTCATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATTATTTCGCGTTGCCAACGTTTCGAATTTCGAAAGATATCAGTAAAT
GATATTGTTGAGAGATTATCGACAGTTGTAAACAATGAAGGTACGCAAGTAGAAGATGAA
GCGTTACAAATCGTTGCACGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCAATATCTTATAGTGATGAGACTGTTACGACAGAAGATGTATTAGCTGTAACA
GGGCGTGATATGTTCCGAATGTTAAGTGAA
B8_
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCGACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCGTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAAGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA

I want to extract the data under BA and B8_ or any such pairwise combinations and write it into a new file (below) with the same format and also putting the first line as it is in the new file (with same spaces and all
Code:
  58    390
BA
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCCACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCTTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAAGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
B8_
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCGACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCGTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAAGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA

Is there a best way in awk or sed to do it.
 

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LEARN ABOUT V7

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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