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In a message dated 4/21/2006 12:30:31 P.M. Eastern Standard Time,
[EMAIL PROTECTED] writes:
> Hello,
> > How does one update a hash element in PERL? > > I am using anonymous hashes to process a file, and each element in the > anonymous has its own value... > > If the file has success on process, I delete the hash element from the > anonymous hash... > > If it the file fails to process, I need to increment the attempts to the > next higher number... > > I tried this, > > If ($HASH{KEY}->{attempts} != '5') { > > $attempted = $HASH{KEY}->{attempts} + '1'; > > $HASH{KEY}->{attempts} => $attempted; #Update the hash key typo alert: i think what you want in the preceding line is not =>
(fat comma),
but = (assignment); this would give you incrementation.
in any event, the two preceding lines could be more
concisely written as:
++$HASH{KEY}->{attempts};
>
> } else { > > Move the file to the error folder... > > } > > When I run it, I get "Useless use of hash element in void context. > Useless use of private variable in void context... > > How could this better be written? > > -Dan hth -- bill walters
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