Hello Monks after yesterdays foolish question - well the question wasn't foolish it was the dolt asking!! - I've a slightly more complex poser. I've a list of subroutines that are to run as part of a daily script. If one of them fails we want to automate the re-running of this script without editing it. I've got the mechanism for doing this unfortunately I can't get any of the subroutines to execute! The subroutine names are held in a hash table :- 
my %scripts = (
  "010" =>  {
              sub  => "ACC_GET_STEP",
              step => '010',
            },
  "020" =>  {
              sub  => "ACC_PUT_STEP",
              step => '020',
            },
  "030" =>  {
              sub  => "ACC_GET_STEP",
              step => '030',
            },
);

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(The above is a cut down version of the hash values as there are also anonymous entries for the parameters required set up at run time). Now I know that part of the problem is being caused because I'm using the strict pragma. I know how to create a reference to a hash table but an entry to a hash within the hash table?
Can't use string ("ACC_PUT_STEP") as a subroutine ref while "strict re
+fs" in use
 at xxrc_test_putstep.pl line 211.

[download]
However even if I remove the strict pragma this code still fails.
SCRIPT:
for $script (sort keys %scripts) {

    next SCRIPT if ! defined $scripts{$script} {execute} ;

       $step = $scripts{$script} {step} ;
       $sub  = $scripts{$script} {sub} ;

       if ($script == '020') {

          print "\n\tRunning Step :: $step Sub :: $sub\n" ;

          $result = system(&$sub($file, $step)) ;

          if ($result) {
             print "\n\tFailed!\n" ;
          }
          else
          {
             print "\n\tSucceeded!\n" ;
          }
       }
}

[download]

I can think of some alternative - long long winded - ways of re-writing this without using a hash table at all but would like my code to be more concise. Any suggestions?

In reply to Referencing a hash of hashes by Ronnie

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