Re: [Gretl-devel] atof for many inputs (was Re: The mysterious stack() function)
Am 19.10.2018 um 15:44 schrieb Allin Cottrell:
On Fri, 19 Oct 2018, Sven Schreiber wrote:
>
> Is this still on the table? (To extend the coverage of 'atof' in core
> gretl.)
> If not, the matof() function of this thread a while ago would also be
> a candidate for inclusion into extra.
Check out sscanf() first.
Thanks for the hint. What's missing then (AFAICS) is a function that
reverses strplit, that is, joins the members of an array of strings into
a (separator-separated) single string.
Brute force:
function string arr2sepstr(strings S, string sep[null])
if !exists(sep)
string sep = " " # blank as default
endif
string out = ""
loop i=1..nelem(S) -q
out ~= S[i] ~ sep
endloop
# discard trailing separator
return substr(out, 1, nelem(out)-1)
end function
The rest indeed seems to be done by sscanf(arr2sepstr(Sarr), %m, mymatrix).
cheers,
sven
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