[LA.pm] String handling like C array

[Jeff]

The "array level" needs better definition.

Depends on what you want exactly,  in general, I guess unpack()
also traverse the string nicely.

Not sure if this answers your question.

- J
On Feb 3, 2006, at 2:31 PM, Robin Rowe wrote:

> I often walk through strings as arrays in C, an idiom something like
> this contrived example:
>
> void SwapXY(char* string)
> {  char* ptr=string;
>     while(*ptr)
>     {  const char c=*ptr;
>        if('x'==c)
>        {  *ptr='y';
>        }
>        else if('y'==c)
>        {  *ptr='x';
>        }
>        ptr++;
>     }
> }
>
> In Perl would I walk the string using substr and length or is there a
> better way to do array-level string manipulation?
>
> Robin
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