Untested: 
my $myinput = "\x00";
read FILE, $myinput, 3, 1;
my $myinteger = unpack 'N', $myinput;

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Basically, you're making a 32-bit integer by prefixing the 24-bit integer with 8 0-bits. Given a 32-bit integer, you can unpack it.

In reply to Re: How do I read a 24 bit integer? by JavaFan
in thread How do I read a 24 bit integer? by Anonymous Monk

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