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Top Forums Shell Programming and Scripting Rearrange fields of delimited text file Post 303003104 by rdrtx1 on Thursday 7th of September 2017 01:18:29 PM
Old 09-07-2017
gnu awk?
Code:
awk '
{
   for (i in a) delete a[i];
   for (i in b) delete b[i];
   for (i=1; i<=NF; i++) {
      v=$i; sub("^[^0-9]*", "", v);
      v=sprintf("%020d", v);
      a[v]=v; b[v]=$i;
   }
   n=asort(a);
   l="";
   for (i=1; i<=n; i++) l=l b[a[i]] ((i==n) ? _ : FS);
   print l;
}
' FS=";" infile

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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