On Wed, Sep 11, 2002 at 11:18:06AM +0200, Pavel Kankovsky wrote:
> On 5 Sep 2002, Michel Arboi wrote:
>
> > "Pavel Kankovsky" <[EMAIL PROTECTED]> writes:
> >
> > > It appears many existing NASL scripts use string() to concatenate strings.
> >
> > c=a+b; works and should be used instead, right.
>
> Not good enough:
>
> a = "0";
> b = "1";
> display(a + b, "\n");
>
> returns 1 not 01
>
> Apparently, this is the only safe way to concatenate two strings
> of arbitrary binary data (unless I know both values are purified):
>
> r = "";
> for (__i = 0; __i < strlen(a); __i = __i + 1)
> r = string(__r, raw_string(ord(a[__i])));
> for (__i = 0; __i < strlen(b); __i = __i + 1)
> r = string(__r, raw_string(ord(b[__i])));
You can also explicitely purify the values using string() -
a = string("\\n"); # a equals to "\n"
b = string("\\r"); # b equals to "\r"
c = string(b,a); # c equals to "\r\n" (and not
# carriage return)
-
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