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Here's what I ended up with for extracting uniques and sorting.   I know it can be further simplified, but my non-programmer brain can somewhat grok it as is.   Thanks again, all!
#!/usr/bin/perl -w use strict; my $infile = shift; my $outfile = shift; my %seen; open (IN, "<$infile") or die "Can't open $infile RO: $!"; open (OUT, ">$outfile") or die "Can't open $outfile RW: $!"; foreach my $item (<IN>) { # parse $infile into a hash and remove + duplicate keys ++$seen{$item}; } print OUT sort keys %seen; # sort keys and save to $outfile close IN or die "Cannot close $infile: $!"; close OUT or die "Cannot close $outfile: $!";

In reply to (code) RE: extract uniques and sort (thanks. 1WTDI) by ybiC
in thread extract uniques and sort by ybiC

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