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Re^3: Unpack Bin file problem

by bart (Canon)
on Mar 01, 2013 at 23:37 UTC ( #1021363=note: print w/replies, xml ) Need Help??


in reply to Re^2: Unpack Bin file problem
in thread Unpack Bin file problem

It doesn't modify the behavior of $_, but of <INFILE> (for any handle).

Perl has a bunch of special variables that change the behavior of perl. $/ Is one of them, it changes what string readline, and thus <INFILE>, searches for as a line terminator, to read a whole line at once. When undef, it'll just make it slurp in the rest of the file.

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