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Read column and find differences...

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# 8  
Old 10-30-2012
Quote:
Originally Posted by empyrean
@agama : Thankyou .. the code works great but only thing is that its not printing in ascending order.

wanted to understand the code..
Pipe it through sort.

Code:
awk '
    { a[$1+0] = $0; }
    END {
        for( x in a )
        {
            printf( "%s", a[x] );
            sc = " ";
            for( i = x-10; i <= x + 10; i++ )
                if( i != x  &&  i in a )
                {
                    printf( "%s%d", sc, i );
                    sc = ", ";
                }
            printf( "\n" );
        }
    }
' infile | sort
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LEARN ABOUT DEBIAN

dcsort

DCSORT(1)					      DICOM PS3 - Make sorted list of images						 DCSORT(1)

NAME

       dcsort - ACR/NEMA DICOM PS3 ... DICOM PS3 - Make sorted list of images

SYNOPSIS

       dcsort  "  inputfile1  [ inputfile2 ... ]" [ -v|verbose ] [ -vv|veryverbose ] [ -vvv|veryveryverbose ] [ -index ] [ -show ] [ -interval ] [
		 -tolerance mm ] [ -check ] [ -checkFoR ] [ -descending ] [ -sortby|k  attributename ]

DESCRIPTION

       dcsort reads the named dicom input files and sorts them by the specified sort key.

       The sort key should be a single valued numeric attribute, with the exception of ImageOrientationPatient and ImagePositionPatient which  are
       handled as special cases.

       There is no output by default unless the index or verbose options are specified.

OPTIONS

       The output and errors go to standard error.

       The basic input switches are described in dcintro(1). Options specific to this program are:

       -index
	      Creates a first column of output that is the index in the sort order, starting from 0, and a second column that is the filename.

       -show
	      Show the value of the sort key after the file name with the -index option

       -interval
	      Show the interval between values of the sort key, or an error if not equal

       -tolerance mm
	      The tolerance value in mm to use when comparing intervals between slices; defaults to +/- 0.01 mm if unspecified

       -check
	      Check that all the images are from the same series.

       -checkFoR
	      Check that all the images have the same Frame of Reference (UID).

       -descending
	      Sort in descending, rather than the default ascending, order.

       -sortby|k  attributename
	      Specify attributename as the sort key.

ENVIRONMENT


EXAMPLES


       % dcsort -index -sortby SliceLocation ./1/[0-9]*
       0    ./1/1
       1    ./1/2

FILES


SEE ALSO

       dcintro(1)

AUTHOR

       Copyright (C) 1993-2010. David A. Clunie DBA PixelMed Publishing. All rights reserved.

BUGS

DICOM PS3							 22 December 2006							 DCSORT(1)