....
then drop first and last '
}.}: u: 39 40 96 39 39 51 39
(`''3
On 12-02-12 16:22, Aai wrote:
> A workaround could be:
>
> place the text lines in a noun like
>
> quote=: 0 :0
> '(`'3
> )
>
> convert to numbers:
>
> }: 3 u: quote
> 39 40 96 39 51
>
> (drop the LF)
>
> Check for end 39-s and intermediate 39-s that need to be doubled
>
> correct 39 40 96 39 51
> 39 40 96 39 39 51 39
>
> convert back to text:
>
> u: 39 40 96 39 39 51 39
> '(`''3'
>
>
>
> On 12-02-12 15:40, R.E. Boss wrote:
>> The (input) string should be considered as one group (of chars).
>> Quoting is needed if the first or the last (or both) is not a quote, all
>> inside quotes should be doubled if they are not.
>>
>>
>> R.E. Boss
>>
>>
>>> -----Oorspronkelijk bericht-----
>>> Van: programming-boun...@jsoftware.com [mailto:programming-
>>> boun...@jsoftware.com] Namens Don Guinn
>>> Verzonden: zondag 12 februari 2012 14:03
>>> Aan: Programming forum
>>> Onderwerp: Re: [Jprogramming] quote problem
>>>
>>> Given the string contains several groups of non-blanks, would each
>>> group
>>> need to be surrounded with quotes and quotes within it doubled if not a
>>> number, or only if it contained one or more quotes? Or should the
>>> string
>> be
>>> considered as one group? Again, when would quoting be needed?
>>>
>>> On Sun, Feb 12, 2012 at 1:17 AM, R.E. Boss<r.e.b...@planet.nl> wrote:
>>>
>>>> The problem boils down to the fact that J requires a string (of chars)
>> to
>>>> be
>>>> enclosed in (single) quotes and the inside quotes have to be doubled.
>>>> (Contrary to a spreadsheet (e.g.) where a cell is of type char if
>>>> it is
>> not
>>>> a number.)
>>>> But what if I don't want bother a user with these requirements, she
>> enters
>>>> a
>>>> string and my verb does the enclosing and doubling, if necessary?
>>>>
>>>>
>>>> R.E. Boss
>>>>
>>>>
>>>>> -----Oorspronkelijk bericht-----
>>>>> Van: programming-boun...@jsoftware.com [mailto:programming-
>>>>> boun...@jsoftware.com] Namens Dan Bron
>>>>> Verzonden: zaterdag 11 februari 2012 20:35
>>>>> Aan: J Programming
>>>>> Onderwerp: Re: [Jprogramming] quote problem
>>>>>
>>>>> Oh, just saw Henry's response and he interpreted your question
>>>> differently.
>>>>> If you're not typing these strings in, then what is the source? And
>> what
>>>> is
>>>>> processing them (is it ;: ? if it's ". there's more to worry about
>> than
>>>> proper
>>>>> quoting).
>>>>>
>>>>> Anyway, if the strings are coming from e.g. a file and the trouble is
>>>> with
>>>>> parsing them using ;: (instead of evaluating them in the immex
>> session),
>>>> then
>>>>> you could try something along the lines of (#~ 2 * '''' = ]) y
>>>>> (i.e.
>>>> double
>>>>> singleton quotes).
>>>>>
>>>>> -Dan
>>>>>
>>>>> Please excuse typos; composed on a handheld device.
>>>>>
>>>>> -----Original Message-----
>>>>> From: Dan Bron<j...@bron.us>
>>>>> Sender: programming-boun...@jsoftware.com
>>>>> Date: Sat, 11 Feb 2012 14:05:16
>>>>> To: Programming forum<programming@jsoftware.com>
>>>>> Reply-To: Programming forum<programming@jsoftware.com>
>>>>> Subject: Re: [Jprogramming] quote problem
>>>>>
>>>>> Unlike C, where \ introduces an escape sequence within string
>> liberals,
>>>> in
>>>> J,
>>>>> the only special character in a literal is ' (single quote).
>>>>>
>>>>> So, to embed quotes in strings, double them up: a. i. '(`''3' .
>> Of
>>>> course,
>>>>> recursively embedded quotes need quadrupling, octupling, etc (eg 'he
>>> said
>>>>> ''she said ''''yes'''', but she lied'', if you can believe that').
>>>>>
>>>>> The syntax error in your first example is due to the juxtaposition of
>> two
>>>>> nouns, the string '(`' and the number 3 .
>>>>>
>>>>> -Dan
>>>>>
>>>>>
>>>>> On Feb 11, 2012, at 1:04 PM, "R.E. Boss"<r.e.b...@planet.nl> wrote:
>>>>>
>>>>>> If I want to process an arbitrary string, I may encounter a string
>>>> which
>>>>>> might give a "syntax error" or an "open quote" message.
>>>>>>
>>>>>> How can I detect such a situation and how can I repair the given
>>>> string?
>>>>>>
>>>>>>
>>>>>> a. i. '(`'3
>>>>>>
>>>>>> |syntax error
>>>>>>
>>>>>> | a. i.'(`'3
>>>>>>
>>>>>>
>>>>>>
>>>>>> a. i. '(`'3'
>>>>>>
>>>>>> |open quote
>>>>>>
>>>>>> | a.i.'(`'3'
>>>>>>
>>>>>> | ^
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> R.E. Boss
>>>>>>
>>>>>>
>> ----------------------------------------------------------------------
>>>>>> For information about J forums see
>>>>> http://www.jsoftware.com/forums.htm
>>>>> ----------------------------------------------------------------------
>>>>>
>>>>> For information about J forums see
>>> http://www.jsoftware.com/forums.htm
>>>>> ----------------------------------------------------------------------
>>>>>
>>>>> For information about J forums see
>>> http://www.jsoftware.com/forums.htm
>>>> ----------------------------------------------------------------------
>>>> For information about J forums see
>>> http://www.jsoftware.com/forums.htm
>>> ----------------------------------------------------------------------
>>> For information about J forums see http://www.jsoftware.com/forums.htm
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>
--
Met vriendelijke groet,
@@i = Arie Groeneveld
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