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based on range assign a value

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# 1  
Old 08-05-2011
based on range assign a value
Hello,

I have a file with multiple columns of which the first two columns are like

Code:
a1_144601_144650    ABC_yellow_144608_16785 
a1_144651_144700     ABC_yellow_144608_16785
a1_144701_144751     ABC_yellow_144608_16785

So Based on column 1 (red values) I need to check if its falling in the range of green values of column 2. If it falls assign a value of true, if not false in 3rd column

o/p:

Code:
a1_144601_144650    ABC_yellow_144608_16785      false
a1_144651_144700     ABC_yellow_144608_16785                true
a1_144701_144751     ABC_yellow_144608_16785                true

I tried to do it in perl but I am stuck at checking the ranges.

Can I do this in awk?

Thanks,
# 2  
Old 08-05-2011
Question Are you missing a digit?
Code:
a1_144601_144650    ABC_yellow_144608_16785 
a1_144651_144700     ABC_yellow_144608_16785
a1_144701_144751     ABC_yellow_144608_16785

ok, 144601 is less than 144608, so false
but, 144651 is more than 144608 but less than 16785
OR... is that supposed to be 167850?
# 3  
Old 08-05-2011
144601 is less than 144608, so false
144651 is more than 144608 but less than 16785 (its still falling in between the range of 144608_15785) so it should be true.

As long as the red value in the column 1 falls between the green values range in column 2 it should be true, if not assign false.

Hope this helps.

Thanks,
# 4  
Old 08-05-2011
I am not sure about awk.It can be done easily in Perl.
Code:
use File::Copy;
open(FH,"<aaa.txt");
@aaa=<FH>;
close(FH);
open(FH1,">>aaa.tmp");
foreach $dd(@aaa)
{
$dd =~ /a1_(\d*?)_.*?ABC_yellow_(\d*?)_(\d*)/;
if ( $1>$2  && $1<$3 )
{
	print FH1 "$&"."  "."true"."\n";
}
else
{
	print FH1 "$&"."  "."false"."\n";
}
}
close(FH1);
move("aaa.tmp","aaa.txt");
unlink("aaa.txt);


Use this file it works.
Code:
a1_144600_144650    ABC_yellow_144608_167850  false
a1_144651_144700     ABC_yellow_144608_167850  true
a1_144701_144751     ABC_yellow_144608_167850  true

You can also refer to the blogspot:http://linux-forum-karthik.blogspot.com for perl solutions
Smilie
Last edited by Franklin52; 08-06-2011 at 05:47 PM.. Reason: Please use code tags for data and code samples, thank you
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