Also, info on catching DBI errors from the DBI documentation. The important thing to note being that you can die in an eval block, but your perl script won't die. 
perldoc -m DBI
perldoc -f eval

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Typically RaiseError is used in conjunction with eval { ... } to catch the exception that's been thrown and followed by an if ($@) { ... } block to handle the caught exception. For example: 
  eval {
    ...
    $sth->execute();
    ...
  };
  if ($@) {
    # $sth->err and $DBI::err will be true if error was from DBI
    warn $@; # print the error
    ... # do whatever you need to deal with the error
  }

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In reply to Re: How to create an error log file? by reasonablekeith
in thread How to create an error log file? by tsam

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