Apart from the technical issue, the algorithm is just asking for trouble. Take a look at a 'naked block' and use redo. Put a # of tries limit on your loop: 

my ($tries, $success) = (0, 0);
{ 
  last if ++$tries > 10;
  print "Flocking file: attempt # $tries ... \n";
  # attempts to flock file, prints a warning if that fails
  # warning -- the following relies on operator 
  # precedence (&& binds tighter than or -- 
  # use parens if that might confuse you)

  flock(FILE, 2) or warn "Can't flock file: $!\n" && redo;
  # rest of stuff
  $success =1;
}
die "Gave up after", --$tries, " attempts." unless $success;

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HTH 


perl -e 'print "How sweet does a rose smell? "; chomp ($n = <STDIN>); 
+$rose = "smells sweet to degree $n"; *other_name = *rose; print "$oth
+er_name\n"'

[download]

In reply to Re: How to use Labels by arturo
in thread How to use Labels by Anonymous Monk

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