Hash Key-Value Pair Retrieval : value « Hash « Perl






  1. Perl
  2. Hash
  3. value

Hash Key-Value Pair Retrieval

   

$separator = "=" x 80;
while (($key, $value) = each %ENV){
   print "$key \t\t==> $value\n";

}

print "$separator\n";
foreach $key (sort keys %ENV){
   print qq|$key \t\t==> $ENV{"$key"}\n|;

}








Related examples in the same category

1.Lists the contents of an associative array using the values function:
2.Determine if the value for the key is true or false
3.Reference a non-exist hash value
4.Reference one value in hash by its key in print statement
5.Using hash as the hash value
6.Using hash reference to retrieve value from hash
7.Values operator extracts all the values of a hash