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Full Discussion: Integrate MIN and MAX in a string
Top Forums UNIX for Dummies Questions & Answers Integrate MIN and MAX in a string Post 302769678 by RudiC on Wednesday 13th of February 2013 03:54:08 AM
Old 02-13-2013
@elixir_sinari: 2 fast 4 me.
Nevertheless, this might at least be worth a shot:
Code:
awk     'BEGIN{FS=OFS=";"}
         {line[NR] = $0
          a = split ($1, b, "%")
          for (i=1; i<=a; i++)
                {b[i]=b[i]?b[i]:"0";
                 if ((!MIN [$2,i]) || (MIN [$2,i] > b[i])) MIN [$2,i] = b[i]
                 if ((!MAX [$2,i]) || (MAX [$2,i] < b[i])) MAX [$2,i] = b[i]
                }
          if (a > maxfld[$2]) maxfld[$2] = a
         }
         END    {for (i=1; i<=NR; i++)
                  {printf "%s;", line[i]
                   split (line[i], tmp)
                   for (j=1; j<=maxfld[tmp[2]]; j++)
                      printf ("%s-%s%%", MIN[tmp[2],j], MAX[tmp[2],j])
                   printf "\n"
                  }
                }
        ' file
1%2%3%4%;AA;1-5%2-6%3-7%4-8%0-9%
5%6%7%8%9;AA;1-5%2-6%3-7%4-8%0-9%
1%2%3%4%5%6;BB;1-7%2-9%3-10%4-11%5-12%6-6%
7%9%10%11%12;BB;1-7%2-9%3-10%4-11%5-12%6-6%

There's an inconsistency on value 6 in the BB records: the req. has 6-12 (where does the 12 come from?), and elixir_sinari has 0-6, which might sound logical, but the value is missing entirely unlike value 5 in AA's first line ... so, what to do?
Last edited by RudiC; 02-13-2013 at 03:32 PM.. Reason: Typo
This User Gave Thanks to RudiC For This Post:
beca123456
 

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LEARN ABOUT NETBSD

min

PARAM(3)						   BSD Library Functions Manual 						  PARAM(3)

NAME

     param -- common parameters

SYNOPSIS

     #include <sys/param.h>

     size
     MAX(size a, size b);

     size
     MIN(size a, size b);

DESCRIPTION

     The <sys/param.h> header includes some common definitions and macros specific to NetBSD.  The header is perhaps best characterized as a ker-
     nel equivalent of <sys/types.h>.  The following list summarizes the provided definitions and macros.

	   o   First and foremost, the header defines the version of NetBSD.  This is defined as

		     #define __NetBSD_Version__    599004800   /* 5.99.48 */

	       The general format is ``MMmmrrpp00'', where 'MM' and 'mm' denote the major and minor version, respectively, 'rr' is provided for
	       compatibility, and 'pp' defines the patch level.

	   o   Common utility macros such as MAX() and MIN() as well as more specific macros such as STACK(9), ctod(9), mstohz(9), roundup(9), and
	       setbit(9).

	   o   Numerous miscellaneous definitions such as limits, constants for the kernel memoryallocators(9), scale factors used by the sched-
	       uler, kthread(9) priorities, and many others.

	   o   Definitions provided for historical and compatibility reasons.  Examples range from definitions such as ``#define BSD'' to old pri-
	       ority levels used in the kernel.

SEE ALSO

     bitops(3), cdefs(3), types(3), unistd(3)

HISTORY

     A <param.h> header appeared already in the Version 4 AT&T UNIX.

BSD
								  April 10, 2011							       BSD
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