retitle 8103 tac RFE: accept -z, --zero-terminated option
tags 8103 + notabug
thanks
Jim Meyering wrote:
> Bjartur Thorlacius wrote:
>>> Maybe we should modify tac to add the -z option. Would you care to
>> write a patch?
>> It would be redundant, as tac -s $'\0' is equivalent.
>
> Are you using
On 02/25/2011 01:09 PM, Jim Meyering wrote:
>> Actually the shell does. $'\0' and '' are indistinguishable once passed
>> as argument.
>
> I thought so, too. Then I tried this:
>
> $ zsh -c "printf \$'\0'|wc -c"
> 1
> $ bash -c "printf \$'\0'|wc -c"
> 0
>
> The former prints a
Andreas Schwab wrote:
> Jim Meyering writes:
>
>> Bjartur Thorlacius wrote:
>>> On 2/24/11, Jim Meyering wrote:
With GNU tac, that has never worked:
$ tac -s ''
tac: separator cannot be empty
>>> NUL!=the empty string.
>>
>> tac treats them the same way.
>
> Actua
Jim Meyering writes:
> Bjartur Thorlacius wrote:
>> On 2/24/11, Jim Meyering wrote:
>>> With GNU tac, that has never worked:
>>>
>>> $ tac -s ''
>>> tac: separator cannot be empty
>>>
>> NUL!=the empty string.
>
> tac treats them the same way.
Actually the shell does. $'\0' and '' are
On 2/24/11, Jim Meyering wrote:
> Bjartur Thorlacius wrote:
>> On 2/24/11, Jim Meyering wrote:
>>> Bjartur Thorlacius wrote:
> Maybe we should modify tac to add the -z option. Would you care to
write a patch?
It would be redundant, as tac -s $'\0' is equivalent.
>>>
>>> Are you usi
Bjartur Thorlacius writes:
>
> On 2/24/11, Jim Meyering wrote:
> > Bjartur Thorlacius wrote:
> >>> Maybe we should modify tac to add the -z option. Would you care to
> >> write a patch?
> >> It would be redundant, as tac -s $'\0' is equivalent.
Note that a $'\0' argument in a shell command line
Bjartur Thorlacius wrote:
> On 2/24/11, Jim Meyering wrote:
>> Bjartur Thorlacius wrote:
Maybe we should modify tac to add the -z option. Would you care to
>>> write a patch?
>>> It would be redundant, as tac -s $'\0' is equivalent.
>>
>> Are you using a non-GNU version of tac?
> I don't rem
On 2/24/11, Jim Meyering wrote:
> Bjartur Thorlacius wrote:
>>> Maybe we should modify tac to add the -z option. Would you care to
>> write a patch?
>> It would be redundant, as tac -s $'\0' is equivalent.
>
> Are you using a non-GNU version of tac?
I don't remember whether I was using FreeBSD or
Bjartur Thorlacius wrote:
>> Maybe we should modify tac to add the -z option. Would you care to
> write a patch?
> It would be redundant, as tac -s $'\0' is equivalent.
Are you using a non-GNU version of tac?
If so, please tell us which one -- that may influence
the decision of whether to make "-
> Maybe we should modify tac to add the -z option. Would you care to write a
> patch?
It would be redundant, as tac -s $'\0' is equivalent.
If you want to switch between newline characters dynamically (a bad
idea, IMO) you could edit libc/stdio-common/getline.c to pass read in
the newline charac
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