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Re: awk problem



On Thu, Mar 25, 2004 at 02:24:23PM +0000, Andreas Kahari wrote:
> On Thu, Mar 25, 2004 at 10:52:20PM +0900, Shin'ichiro TAYA wrote:
[cut]
> > Is this a problem of nawk ?
> > Or is this a GNU awk specific extention?
> 
> It's a GNU specific extention.  POSIX awk is only required to
> handle the following escape sequences:

Forgot the meanings.

> 
> \"      Backslash quotation-mark

Meaning: Quotation-mark character

> \/      Backslash slash

Meaning: Slash character

> \ddd    A backslash character followed by the longest
>         sequence of one, two, or three octal-digit characters
>         (01234567). If all of the digits are 0 (that is,
>         representation of the NUL character), the behavior is
>         undefined.

Meaning: The character whose encoding is represented by the one,
two, or three-digit octal integer. Multi-byte characters require
multiple, concatenated escape sequences of this type, including
the leading '\' for each byte.

> \c      A backslash character followed by any character not
>         described in this table or in the table in the Base
>         Definitions volume of IEEE Std 1003.1-2001, Chapter 5,
>         File Format Notation ( '\\' , '\a' , '\b' , '\f' , '\n'
>         , '\r' , '\t' , '\v' ).

Meaning: Undefined.

The addition of hex escapes in gawk was made in version 3.1.


-- 
Andreas Kähäri                      |><><|
                                    |<><>|
East Anglia                         |><><|
England                             |<><>|



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