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Top Forums Shell Programming and Scripting Combining columns from different files Post 302352504 by vgersh99 on Friday 11th of September 2009 01:53:41 PM
Old 09-11-2009
Quote:
Originally Posted by protocomm
great, magic...but i don't understand this part....

Code:
nawk 'FNR==NR {f1[FNR]=$0;next} {print NF?$0:f1[FNR]}'

Could you explain please .....

Thanx
you can rewrite this as:
Code:
nawk 'FNR==NR {f1[FNR]=$0;next} 
                        {
                           if (NF!=0) 
                              print $0
                           else
                              print f1[FNR]
                        }' file2 file1


Last edited by vgersh99; 09-11-2009 at 03:08 PM..
 

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gdcmdiff(1)							       GDCM							       gdcmdiff(1)

NAME
gdcmdiff - .SH "SYNOPSIS" gdcmdiff [options] file1 file2 DESCRIPTION
The gdcmdiff command line program takes as input two DICOM file: file1 and file2. PARAMETERS
file1 DICOM input filename file2 DICOM output filename options options -m --meta Compare metainformation. Default is off. -t <n> --truncate <n> String values trimmed to n characters. general options -h --help print this help text and exit -v --version print version information and exit -V --verbose verbose mode (warning+error). -W --warning warning mode, print warning information -E --error error mode, print error information -D --debug debug mode, print debug information Simple usage gdcmdiff is a great tool to diff DICOM files. Usage is simply: $ gdcmdiff input1.dcm input2.dcm SEE ALSO
gdcmdump(1), gdcminfo(1) COPYRIGHT
Copyright (c) 2006-2011 Mathieu Malaterre Version 2.2.0 Tue Feb 5 2013 gdcmdiff(1)
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