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open (FH, ">/tmp/myprocess.tmp") || die "Cannot open temporary file: $
my $fh = IO::File->new("/tmp/myprocess.tmp", "w");
$name = tmpnam();
} until sysopen(FH, $name, O_RDWR|O_CREAT|O_EXCL, 0666);
my $fh = IO::File->new_tmpfile;
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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