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Full Discussion: Awk: Summing values with group criteria
Top Forums Shell Programming and Scripting Awk: Summing values with group criteria Post 302368982 by radoulov on Friday 6th of November 2009 07:03:17 AM
Old 11-06-2009
Debian
Use gawk, nawk or /usr/xpg4/bin/awk on Solaris.
Code:
awk -F\; 'END { for (_ in _0) {
  l = split(_0[_], t); t[5] = _5[_]
  for (i=1; i<=l; i++) 
    printf "%s", t[i] (i == l ? RS : FS)  
    }      
  }  
{ _5[$2,$3] += $5; _0[$2,$3] = $0 }   
' infile



---------- Post updated at 01:03 PM ---------- Previous update was at 12:54 PM ----------

If the file is already ordered:
Code:
awk -F\; 'END { print r }
!_[$2,$3]++ && NR > 1 { 
  print r; x = 0 
  }
{ $5 = x += $5; r = $0 }
' OFS=\; infile

 

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LEARN ABOUT SUSE

igawk

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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