[Info-vax] DCL and scripting

[Arne Vajhøj]

On 12/12/2018 12:40 AM, Dave Froble wrote:
> On 12/11/2018 9:20 PM, Arne Vajhøj wrote:
>> On 12/11/2018 3:11 PM, Jairo Alves wrote:
>>>> F$REGEX_MATCH would not be that difficult.
>>>
>>> Suggestion:
>>>
>>>   F$REGEX(input_string, regex_query, output_rule, modifiers)
>>>
>>> For example:
>>>
>>> $ str = "11-DEC-2018 17:24"
>>> $ str = F$REGEX(str, "(\d{2})-(\w+)-(\d{4})", -
>>>                  "$3_$2_$1", "UNGREEDY,CASE_INSENSITIVE")
>>>
>>> $ wr sys$output str
>>> "2018_DEC_11"
>>
>> I think this is really F$REGEX_REPLACE.
> 
> Not casting a handful of mud and such at anyone, but that is ugly, and 
> at least for me giberish.  I don't want to even try to understand it.

There is an old joke: I had a problem, then I decided to solve it using
regex and now I have two problems.

:-)

Regex is a bit cryptic. But it can be useful.

But I will say that all programmers should know SQL, regex and XPath.

Arne