Re: writing/reading records with Data::Dumper

2002-07-31 Thread todd shifflett

For those who are interested...

This seems to work but I don't know why:
foreach $element (@elements) {
   my $profile = MY_PROFILE->new();
 $profile = eval(eval(Dumper($element)));
 push(@profileArray,$profile);
  }



On Wednesday, July 31, 2002, at 11:51 AM, todd shifflett wrote:

> I am having trouble re-reading a record after I write it.
>
> This is my situation (I'll try and be as concise as possible):
>
>
> I have an object ($profile) with methods, variables, and variables of 
> other objects.
> For example:
>  $profile = MY_PROFILE->new();
>  $profile->{NAME} = "theName";
>  $profile->{ARRAY} = [MY_OBJECT->new(), MY_OBJECT->new(), ...];
>  $profile->myFunction();   # calls a method of MY_PRIOFILE
>
>
> I then use Data::Dumper to write out a file with a header and an array 
> of profiles:
>  $Data::Dumper::Purity = 1;
>  $Data::Dumper::Indent = 0;
>  my $header = {DATE => "${year}\.${month}\.${day}"};
>  open RECORD, ">$fileName";
>  print RECORD Data::Dumper->Dump([$header], ["*header"]);
>  close RECORD;
>  foreach my $profile (@profileArray) {
> $profile->myFunction();
> open RECORD, ">>$fileName";
> print RECORD Data::Dumper->Dump([\$profile], ['*profile']);
> close RECORD;
>  }
>
> when I read the file I can regenerate the header:
>
> open RECORDFILE, "<", $inFile;
> my @elements = split(";",);
> close RECORDFILE;
> my $element = shift(@elements);
> eval $element;
> $header = \%header;
>
> however I cannot recreate the MY_PROFILE object with:
>
>  foreach $element (@elements) {
>  my $profile = MY_PROFILE->new();
> eval $element;
> push(@profileArray,$profile);
>  }
>
> is there anyone that can help?  Am I being at all clear?
>
>
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>
>


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writing/reading records with Data::Dumper

2002-07-31 Thread todd shifflett

I am having trouble re-reading a record after I write it.

This is my situation (I'll try and be as concise as possible):


I have an object ($profile) with methods, variables, and variables of 
other objects.
For example:
  $profile = MY_PROFILE->new();
  $profile->{NAME} = "theName";
  $profile->{ARRAY} = [MY_OBJECT->new(), MY_OBJECT->new(), ...];
  $profile->myFunction();   # calls a method of MY_PRIOFILE


I then use Data::Dumper to write out a file with a header and an array 
of profiles:
  $Data::Dumper::Purity = 1;
  $Data::Dumper::Indent = 0;
  my $header = {DATE => "${year}\.${month}\.${day}"};
  open RECORD, ">$fileName";
  print RECORD Data::Dumper->Dump([$header], ["*header"]);
  close RECORD;
  foreach my $profile (@profileArray) {
 $profile->myFunction();
 open RECORD, ">>$fileName";
 print RECORD Data::Dumper->Dump([\$profile], ['*profile']);
 close RECORD;
  }

when I read the file I can regenerate the header:

 open RECORDFILE, "<", $inFile;
 my @elements = split(";",);
 close RECORDFILE;
 my $element = shift(@elements);
 eval $element;
 $header = \%header;

however I cannot recreate the MY_PROFILE object with:

  foreach $element (@elements) {
   my $profile = MY_PROFILE->new();
 eval $element;
 push(@profileArray,$profile);
  }

is there anyone that can help?  Am I being at all clear?


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