Kevin Horton wrote:
> I'm a perl newbie working on a script to log data from a device that
> sends more variables than I need to log. I have a working prototype
> script, with the list of variables to be logged hard-coded, which
> means I need to edit the script any time I need to change the items
> to be printed.
>
> Now I want to extend the script to use a configuration file to define
> the list of variables to be logged, and the order to write them to the
> log file. I've been messing around with this for many hours, and I've
> dug through the various perl man pages, plus Perl in a Nutshell, and
> Programming Perl, but I'm not making any progress.
>
> My working prototype script with the hard-coded list of variables
> prints output with the following line:
>
> print OUTPUT
> "$data_time\t$TACH\t$MP\t$FUEL_FLOW\t$QTY\t$CHT1\t$CHT2\t$CHT3\t$CHT4\t$
> EGT1\t$EGT2\t$EGT3\t$EGT4\t$OILT\t$OILP\t$VOLT\t$OAT\t$UNIT_TEMP\n";
>
> I've got a config file that I read to create an array of variable
> names that should be logged. The first few items in @variable_list
> are:
>
> data_time
> TACH
> MP
> FUEL_FLOW
>
> I would greatly appreciate any hints on how I can use the data in
> @variable_list to print just the variables I want.
Kevin, I would change it to a hash and then either use some type of
regex against the keys to get what you want to print out or bypass.
Wags ;)
>
> Thanks in advance,
>
> Kevin Horton
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