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Replace with last date update

 
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# 8  
Old 09-25-2014
If you want to keep the sort, but get rid of the syntax errors in your date command and the last awk command, and produce output similar to what you said you want; you could try something like:
Code:
sort -rn file | awk 'BEGIN { FS = OFS = "|"} NR == 1 { d = $1 } { $1 = d } 1'

but Akshay's approach is much more efficient and produces the output you said you wanted.
Last edited by Don Cragun; 09-25-2014 at 07:32 AM.. Reason: There was also an unknown option in your 2nd awk.
 
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LEARN ABOUT DEBIAN

cmtk-detect_spheres_matched_filter

detect_spheres_matched_filter(1)		       The Computational Morphometry Toolkit			  detect_spheres_matched_filter(1)

NAME

       detect_spheres_matched_filter - Detect spheres

SYNOPSIS

       detect_spheres_matched_filter InputImage OutputImage

DESCRIPTION

       This tool detects spherical objects in three-dimensional images.

OPTIONS

   Global Toolkit Options (these are shared by all CMTK tools)
       --help
	    Write list of basic command line options to standard output.

       --help-all
	    Write complete list of basic and advanced command line options to standard output.

       --wiki
	    Write list of command line options to standard output in MediaWiki markup.

       --man
	    Write man page source in 'nroff' markup to standard output.

       --version
	    Write toolkit version to standard output.

       --echo
	    Write the current command line to standard output.

       --verbose-level <integer>
	    Set verbosity level.

       --verbose, -v
	    Increment verbosity level by 1 (deprecated; supported for backward compatibility).

       --threads <integer>
	    Set maximum number of parallel threads (for POSIX threads and OpenMP).

   Main Options
       --radius <double>, -r <double>
	    Radius of spheres to detect in physical length units (typically mm).  [Default: 1]

       --filter-margin <integer>
	    Half  of  filter margin width in pixels. This determines the extent of the region around the surface or the sphere where the detection
	    filter is non-zero.  [Default: 2]

       --normalized
	    Use intensity-normalized filter, effectively computing Normalized Cross Correlation between filter and image.

AUTHORS

       Torsten Rohlfing, with contributions from Michael P. Hasak, Greg Jefferis, Calvin R. Maurer, and Daniel B. Russakoff

LICENSE

       http://www.fsf.org/licensing/licenses/gpl.html

BUGS

       Report bugs at http://nitrc.org/projects/cmtk/

ACKNOWLEDGMENTS

       From April 2009 through September 2011, CMTK Development and Maintenance was supported by the National Institute of Biomedical Imaging  and
       Bioengineering under Grant No.R01 EB008381 (PI: Torsten Rohlfing).

CMTK 2.2.2							    Jul 20 2012 				  detect_spheres_matched_filter(1)