Convert open(IN, file) to memory/array instead of using pre-existing files

I'd like to take the following scripts and combine them, as well as change the behaviour slightly. Instead of the data being parsed/matched from pre-existing files, I'd like to SNMPWALK the data, place it in memory, then do the parsing/matching of that data, and then write that data to disk and or a MySql DB.

This is basically the script I want to change, again instead of reading in files, read in data stored in memory from a snmpwalk...

So we'd do a snmpwalk to get the data, then store to memory (not sure how to really) I'm not sure the best way to walk via perl. Currently I have a cron job that simply runs a shell script to dump the data to directories like this:
snmpwalk -v 2c -c Public -O n . >file1.txt
snmpwalk -v 2c -c Public -O n . >file2.txt
snmpwalk -v 2c -c Public -O n . >file3.txt
snmpwalk -v 2c -c Public -O n . >file4.txt
snmpwalk -v 2c -c Public -O n . >file5.txt

Then after that cron job completes, I run the script in the above link to match/aggregate the data together for each interface, and it writes that file to disk. I'd like to run the 5 snmpwalks above, then parse that data together and wite it to disk, or even more preferred is to a mysql table.
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Rich RumbleSecurity SamuraiAsked:
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@result = `snmpwalk -v 2c -c Public -O n .`;
for my $f( qw(  .  .  . . . ) ){
  open F,"snmpwalk -v 2c -c Public -O n $f |" or warn $!;
  push @File,{};
  while( <F> ){  
     if( /\Q$f\E([\d\.]+)\s*=\s*INTEGER:\s*(\d+)/ ){

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Rich RumbleSecurity SamuraiAuthor Commented:
that works very well, thanks!
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