Re^2: Unpack Bin file problem


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Re^2: Unpack Bin file problem

by mark4444az (Acolyte)

on Mar 01, 2013 at 22:36 UTC ( #1021353=note: print w/ replies, xml )

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

OK, That worked. Your comment, "It sets the special variable to undef", is not yet clear to me. I will have to research this. I greatly appreciate you help. I understand the concept of $_, just not how local $/ modifies it.

Comment on Re^2: Unpack Bin file problem
Re^3: Unpack Bin file problem by bart (Canon) on Mar 01, 2013 at 23:37 UTC
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.	[reply] [d/l] [select]
Re^3: Unpack Bin file problem by mark4444az (Acolyte) on Mar 04, 2013 at 15:58 UTC
OK, that makes sense now. Thanks again.	[reply]

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