Hi all,

So this is the files that i have. File 1 has like 400+ lines while file2 has only 200+ lines. I store column1 in file2 as key and the rest as values. I wanted to output the file as below by copying the lines that are present in file 2 and file 1.


File1:

Item,Time,Pattern ,Attributes,From
an_en11,200.00,{0 133},{ }
br_gh13,140.09,{0 59},{ }
ce_oy74,300.05,{0 230},{int_43}
dt_pp50,200.11,{0 122},{ }
er_tk02,305.47,{0 220},{ }
ef_yb41,200.05,{0 233},{ }

File2:

Item,Sink,Buffer,Cell,Slew,Path,Violation,Area 
dt_pp50,0,0,2,0.000,0.000,0,0.000
er_tk02,0,2,3,0.002,0.004,0,0.001
ef_yb41,0,1,5,0.000,0.000,0,0.000


Output :

Item,Sink,Buffer,Cell,Slew,Path,Violation,Area,Time
dt_pp50,0,0,2,0.000,0.000,0,0.000,200.11
er_tk02,0,2,3,0.002,0.004,0, 0.001,305.47
ef_yb41,0,1,5,0.000,0.000,0,0.000,200.05

[download]

So this is the code that I had generate but when I run it, it says that the $keys,$value1,$value2 and $value3 are not initialized. Anyone know how to fix this?

 
my %file1Hash;
my $value4;
    
open my $file1, "<","design.rpt.csv" or die $!; 
open my $file2, "<","summary.rpt.csv"or die $!; 
open my $outfile_1, ">", "combined.rpt.csv" or die $!;
    
while(<$file1>){
        
    my($line) = $_; 
    chomp $line; 
    my($key,$value1,$value2,$value3) = $line =~ /(\w+),(\d+.\d+),(.\d+
+\s+\d+.\d+.)/g; 
    $value4 = "$value1,$value2,$value3,";
    push @{$file1Hash{$key}}, $value4; 
        } 
        
while(<$file2>){ 
        
    my ($line) = $_; 
    chomp $line; 
    my($key,$value1,$value2,$value3,$value4,$value5,$value6,$value7) =
+ $line =~ /(\w+|\S+),(\d+),(\d+),(\d+),(\d+.\d+),(\d+.\d+),(\d+),(\d+
+.\d+)/g ; 
        
    if (exists $file1Hash{$key}) {
        
        print $file1Hash{$key}.",".$line."\n";
            
            } 
    else {
        #  print $line."\n";
            } 
} 

close $file1;
close $file2;
close $outfile_1;
    
exit 0;

[download]

I don't know what is the problem and how to solve this. Please Help.

In reply to Combining Files using Hash by chaney123

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