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suppose u have a file 
1  0.4 2 
...
0 0.13  10 
0  0.22  11

 
 From the  second column and third column , u want to show at differen
+t intervals keeping second  column fixed  and change the interval in 
+the third column. 
Like at less than 0.01 from the scond column and <9 and <8 how many nu
+mbers are there in one output 
then again keeping 0.01 same as above and then <8 and >7 how many numb
+ers ...respectively 
 Then change the interval from less than 0.01 to >0.01 and less tahn 0
+.02 in the second column and again start from the third column with  
+<9 and >8 respectively

 
#!/usr/bin/perl -w

...
}
close (WRITE);
exit;