Hi Experts,

Thanks for the quick reply

I need help on perl hashes.i have used hashes to store the data. i have fetched data from four files and stored data in hashes.

key and value pair, code written to fetch data and store in hashes

I have created four sub routines for file 1,file 2, file 3 and file 4, the key which i formed for each file will vary

for file 1 --> $key = f[0].f1,file 2 --> f1.f2,file 3 --> $key = f4.f6,file 4 --> $key = f3.f4

code for file 1

my (%r1,%r2,%r3,%r4);
my $Total;

foreach my $file (@files) {
open FILE, "<$dir/$file" or warn "Couldn't open file ($!) or file ($!)
+ not found\n";
while (chomp ( my @fields = split /\t/, <FILE>) ) {    
my $key = "$f[0].$f[1]";
if ($c{$key}) {
$key = $c{$key};
if (exists($r1{$key})){
$r1{$key} += $f[02];
}
else { 
$r1{$key} += $f[02];
}
$Total +=$r1{$key};
}
}
$r1{'Total'} = $Total;
}
close FILE;

[download]

Example input file 1 

A B 12.00
C D 13.00
E F 11.00
G H 22.00

[download]

code for file 2

foreach my $file (@files) {
open FILE, "<$dir/$file" or warn "Couldn't open file ($!) or file ($!)
+ not found\n";
while (chomp ( my @fields = split /\t/, <FILE>) ) {    
my $key = "$f[1].$f[2]";
$key{'Output - Final'}=1;
if ($c{$key}) {
$key = $c{$key};
if (exists($r1{$key})){
$r1{$key} += $f[03];
}
else { 
$r1{$key} += $f[03];
}
$Total +=$r1{$key};
}
}
$r1{'Total'} = $Total;
}
close FILE;

[download]

Example input file 2 

1 A B 12.00
2 C D 13.00
3 E F 11.00
4 G H 22.00

[download]

Output got

r1 --> hash contains data as ...
Key    Value

Name    F1.A
AB    12.00
CD    13.00
EF    11.00
GH    22.00

r2 --> hash contains data as ...
Key    Value

Name    F2.B
AB    01.00
CD    04.00
EF    42.00
GH    34.00

r3 --> hash contains data as ...
Key    Value

Name    F3.C
AB    02.00
CD    03.00
EF    15.00
GH    20.00

r4 --> hash contains data as ...
Key    Value

Name    F4.D
AB    62.00
CD    43.00
EF    24.00
GH    26.00

[download]

Output expected

Output - Final
    Name    F1.A    F2.B    F3.C    F4.D
    AB    12.00    01.00    02.00    62.00    
    CD    13.00    04.00    03.00    43.00
    EF    11.00    42.00    15.00    24.00
    GH    22.00    34.00    20.00    26.00

Total    58.00    81.00    40.00    155.00

[download]

Thanks

In reply to Re^2: Perl - Hashes by Perlseeker_1
in thread Perl - Hashes by Perlseeker_1

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