Subject: Re: [ast-users] ksh93v- read bug
--------
> ksh93v- 2013-02-22 does not honor -r with -d ''.
> Exemple:
>
> ## correct behaviour with delim='\n'
> ## expected ouput is \ \n
> $ printf '\\\n' | read -r
> $ printf '%s\n' "$REPLY" | od -c
> 0000000 \ \n
> 0000002
>
> ## incorrect behaviour with delim='\0'
> ## expected output is \ \0
> $ printf '\\\000' | read -r -d ''
> $ printf '%s\000' "$REPLY" | od -c
> 0000000 \0
> 0000001
>
> Philippe Bergheaud
>
The problem is not with read. The problem is the REPLY terminates with the
0 bytes.
The following should work:
typeset -bZ2 var
printf '\\\000' | read -r -d '' var
print -n -v var | od -c
typeset -b stores binary data. $var expands to the uuencoded value.
print -v var
for a binary variable, outputs the value of the variable.
Also, printf "%B" will output the contents without expanding it.
David Korn
[email protected]
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