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Top Forums UNIX for Dummies Questions & Answers Integrate MIN and MAX in a string Post 302769672 by elixir_sinari on Wednesday 13th of February 2013 03:29:21 AM
Old 02-13-2013
Try:
Code:
awk -F\; 'FNR==NR{
for(i in a) delete a[i]
n=split($1,a,/%/)
if(!($2 in firstdone)) {firstdone[$2]; maxf[$2]=n; for(i=1;i<=n;i++) max[$2,i]=min[$2,i]=a[i]; next }
if(n>maxf[$2]) { for(i=maxf[$2]+1;i<=n;i++) max[$2,i]=min[$2,i]=a[i]; maxf[$2]=n }
for(i=1;i<=maxf[$2];i++) {
 if(a[i]>max[$2,i]) max[$2,i]=a[i]
 if(a[i]<min[$2,i]) min[$2,i]=a[i]
}
next
}
{str=""
for(i=1;i<=maxf[$2];i++)
 str = str ( str"" ? "%" : "" ) sprintf("%d-%d",min[$2,i],max[$2,i])
print $0,str}' OFS=\; file file


Last edited by elixir_sinari; 02-13-2013 at 09:33 AM..
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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). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgawk | +--------------------+-----------------+ |Interface Stability | Volatile | +--------------------+-----------------+ NOTES
Source for gawk is available on http://opensolaris.org. Free Software Foundation Nov 3 1999 IGAWK(1)
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