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Open both files
Read each line from the first file
Split it into mount point, total space, used space, free space
Do the same for the second file
Compare matching mount points to see the differences.
open( my $firstfile, '<', "DFLOG1.txt");
open( my $secondfile, '<', "DFLOG2.txt");
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
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