Re: how to push multiples row of values into hash and do comparison

#!/usr/bin/perl

# https://perlmonks.org/?node_id=1224208

use strict;
use warnings;
use Data::Dump 'dd';

my $file1 = <<END;
    name    foo
    num     111 222 333 444
    name    jack
    num     999 111 222 333
    num     333 444 555 777
END

my $file2 = <<END;
    name    jack
    num     999 111 222 333
    num     333 444 555 777
    name    foo
    num     666 222 333 444
END

my %hash1 = gethash($file1);
my %hash2 = gethash($file2);

#dd 'file1', \%hash1, 'file2', \%hash2;

print "\t\tFile1\t\t\t\t\tFile2\n";
print "Name\tX1\tY1\tX2\tY2\t\tX1\tY1\tX2\tY2\n";

for my $key ( keys %hash1 )
  {
  my $name = $key;
  for ( match( $hash1{$key}, $hash2{$key} ) )
    {
    print "$name\t$_\t\t$_\n";
    $name = '';
    }
  }

sub match
  {
  my ($one, $two) = @_;
  my @same;
  for my $item (@$one)
    {
    push @same, grep $item eq $_, @$two;
    }
  return @same;
  }

sub gethash
  {
  local $_ = shift;
  s/^\s+//gm;
  s/[ \t]+/\t/g;
  my %hash;
  while( /^name\s+(\S+)\n(num.*\n)*/gm )
    {
    my $name = $1;
    $hash{$name} = [ $& =~ /^num\s*(.*)/gm ];
    }
  return %hash;
  }
[download]

Outputs :

                File1                                   File2
Name    X1      Y1      X2      Y2              X1      Y1      X2    
+  Y2
jack    999     111     222     333             999     111     222   
+  333
        333     444     555     777             333     444     555   
+  777
[download]

Comment on Re: how to push multiples row of values into hash and do comparison Select or Download Code

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Re^2: how to push multiples row of values into hash and do comparison by darkmoon (Novice) on Oct 22, 2018 at 07:34 UTC
Thanks you for your response. I tried your code and it is awesome! However , I cannot get the output after i tried to modify your code. i want to get the input by using the $ARGV method. #!/usr/bin/perl use strict; use warnings; use Data::Dump 'dd'; my $input1=$ARGV[0]; my $input2=$ARGV[1]; open my $fh1, '<', $input1 or die "Cannot open file : $!\n"; my %hash1 = gethash($fh1); close $fh1; open my $fh2,'<',$input2 or die "Cannot open file : $!\n"; my %hash2 = gethash($fh2); close $fh2; dd 'file1', \%hash1, 'file2', \%hash2; print "\t\tFile1\t\t\t\t\tFile2\n"; print "Name\tX1\tY1\tX2\tY2\t\tX1\tY1\tX2\tY2\n"; for my $key ( keys %hash1 ) { my $name = $key; for ( match( $hash1{$key}, $hash2{$key} ) ) { print "$name\t$_\t\t$_\n"; $name = ''; } } sub match { my ($one, $two) = @_; my @same; for my $item (@$one) { push @same, grep $item eq $_, @$two; } return @same; } sub gethash { local $_ = shift; s/^\s+//gm; s/[\t]+/\t/g; my %hash; while(/^name\s+(\S+)\n(num.\n)/gm ) { my $name = $1; $hash{$name} = [$& =~ /^num\s(.)/gm ]; } return %hash; } [download] Any idea ?	[reply] [d/l]
Re^3: how to push multiples row of values into hash and do comparison by tybalt89 (Monsignor) on Oct 22, 2018 at 14:27 UTC
It would help to actually read the file data (untested change) `sub gethash { my $fh = shift; local $/; local $_ = <$fh>; s/^\s+//gm; s/[\t]+/\t/g; my %hash; while(/^name\s+(\S+)\n(num.\n)/gm ) { my $name = $1; $hash{$name} = [$& =~ /^num\s(.)/gm ]; } return %hash; }` [download]	[reply] [d/l]