Hi all,

i have a text file that contains the following lines 

High fanout nets in the post compile netlist:
    Fanout  Type          Name
    --------------------------
    2       INT_NET       Net   : c_c
                          Driver: c_pad
    2       INT_NET       Net   : b_c
                          Driver: b_pad
    2       INT_NET       Net   : a_c
                          Driver: a_pad
    1       INT_NET       Net   : sum_c
                          Driver: sum_1_SUM0_0
    1       INT_NET       Net   : N_5
                          Driver: sum_1_CO0_i

[download]

I have to write a perl script that saves the following statements only, i.e. high fanout nets alone. For that, if i write a script which find maximum number in my text file and copies those statements in new file, it will copy the following statements. 

    2       INT_NET       Net   : c_c
    2       INT_NET       Net   : b_c
    2       INT_NET       Net   : a_c

[download]

Here is the code i tried, but could not get the text file as i wish.... 

my $high_number = 0;
open (F1, "<new.txt") or die "cant open it$!";
while (<F1>) {
my ($number) = m/:(\d+):/;
$high_number = $number if $number > $high_number;
 }
print "Highest number found = $high_number\n";
close (F1);

[download]

please help me out in this, thank you all....

In reply to Find maximum number in text file and copying its full statement in new text file? by sumathigokul

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