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#!/usr/local/bin/perl -w
use Getopt::Long;
# Set up the command line to accept a filename.
my $ret = GetOptions ("f|filename:s");
my $filename = $opt_f || die "Usage: $0 -f filename\n";
# Check if the file exists
if (-e $filename) {
print "The file $filename exists.\n";
} else {
print "The file $filename does not exist.\n";
}
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