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Value falls between two values from different files

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# 1  
Old 02-26-2013
Value falls between two values from different files
Hi, I have two files

cat 1
Code:
100 1
110 2
113 4
230 5
334 7
500 8
900 10


I have another file
Code:
cat 2
100 200
201 300
301 400
401 500
501 600
601 700
701 800
801 900
901 1000

If $1 in file1 falls in the range of a record in file2, then print that record in file2 with $2 in file1. If there are multiple intersections then sum them up. If there is no value, then print 0. My output would be

Code:
100 200 7
201 300 5
301 400 7
401 500 8
501 600 0
601 700 0
701 800 0
801 900 10
901 1000 0

# 2  
Old 02-26-2013
How about this:

Code:
awk 'NR==FNR{
   C[NR]=$1 " " $2
   L[C[NR]]=0
   next
}
{
 for (t in C) {
    split(C[t],v," ")
    if($1>=v[1] && $1<=v[2])
       L[C[t]]+=$2
 }
}
END {
   for(i=1;i in C;i++)
       print C[i] " " L[C[i]]
}' 2 1

These 2 Users Gave Thanks to Chubler_XL For This Post:
jacobs.smith rossi
# 3  
Old 02-26-2013
Quote:
Originally Posted by Chubler_XL
How about this:

Code:
awk 'NR==FNR{
   C[NR]=$1 " " $2
   L[C[NR]]=0
   next
}
{
 for (t in C) {
    split(C[t],v," ")
    if($1>=v[1] && $1<=v[2])
       L[C[t]]+=$2
 }
}
END {
   for(i=1;i in C;i++)
       print C[i] " " L[C[i]]
}' 2 1

Chubler_XL,

Thanks for your time and a wonderful code.

I have another small issue that is bothering me

If I have the following values in another file

Code:
175 
180
185
199
220
235
246
278
298
311
333
345
399
412

I would like to consider the minimum value and its nearest lesser 100 and the maximum value and its nearest greater 100 and print blocks in a difference of 100.

So, in the above data, the minimum value is 175, so its nearest less value is 100 and the maximum value is 412 and its greatest near 100 is 500.

My output would be

Code:
100 200
201 300
301 400
401 500

# 4  
Old 02-26-2013
This should work:

Code:
awk '{
    min=$1<min||!min?$1:min
    max=$1>max||!max?$1:max
}
END {
  s=int(min/100)*100
  e=int(max/100)*100+100
  print s " " s+100
  for(i=s+101;i<e;i+=100)
     print i " " i+99
}' infile

This User Gave Thanks to Chubler_XL For This Post:
jacobs.smith
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