Jeff Westman wrote:
> I inherited this script, whose code is as follows:
>
> #!/usr/local/bin/perl -w
> ...
> # 'while' starts on line 42
> while (($app_key, $app_value) = each %app_file_count) {
> delete ($app_file_count{$app_key});e
> }
>
> What is the "hanging 'e' on line 43? It is not a subroutine call,
> and there is no terminating semi-colon (';'). Yet, when I do a
> syntax check, I get:
>
> $ perl -c myscript.pl
> Unquoted string "e" may clash with future reserved word at my line 44.
> Useless use of a constant in void context at my line 43.
> myscript.pl syntax OK
>
>
> I'm confused why this is passing a syntax check. This script runs in
> production (without the warning flag).
The last statement in a block does not need a semi-colon to work. It
is telling you that you have a constant e, but you are not doing anything
with it.
Just remove.
Wags ;)
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