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Re: printf "%q" and $'...'
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From: |
Antonio Macchi |
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Subject: |
Re: printf "%q" and $'...' |
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Date: |
Wed, 25 Nov 2009 16:55:47 +0100 |
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User-agent: |
Mozilla-Thunderbird 2.0.0.19 (X11/20090103) |
The answer is in the part you neglected to read.
NULL can be passed to function only "escaped"
\0
\x00
but $'\x00' is not like "\x00", because the first is expanded "before",
and the second is expanded "after"
$ printf $'\x00'
+-+-+-+-+-+-+--+ +--+--+
|p|r|i|n|t|f|\0| |\0|\0|
+-+-+-+-+-+-+--+ +--+--+
$ printf "\0"
+-+-+-+-+-+-+--+ +--+-+--+
|p|r|i|n|t|f|\0| |\\|0|\0|
+-+-+-+-+-+-+--+ +--+-+--+
right?
if so, thanks a lot!
- Re: printf "%q" and $'...', (continued)
Re: printf "%q" and $'...', Antonio Macchi, 2009/11/25
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