Subject: Re: [ast-users] Seeking C code example for "${!myli...@]}"
--------
> Are there any examples which show how I can use libshell to access all
> members of an indexed or associative array? For example I'd like to
> create a shell via sh_init, use sh_trap to run shell code and then use
> C code to get the index names of all elements in array 'mylist', i.e.
> a C version of "${!myli...@]}"
> Does anyone have a related code example?
>
> Wendy
>
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#include <nval.h>
int outname(Sfio_t *out, Namval_t* np)
{
int i, n=0, assoc=(nv_aindex(np)<0);
nv_putsub(np, (char*)0, ARRAY_SCAN);
do
{
if(assoc)
sfputr(out, nv_getsub(np),'\n');
else
sfprintf(out, %d\n",i);
n++;
}
while(nv_nextsub(np));
return(n);
}
===============cut here========================
David Korn
[email protected]
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