Re: Using function arguments

[uzibalqa]

------- Original Message -------
On Thursday, April 6th, 2023 at 9:44 PM, Manuel Collado 
<mcollado2011@gmail.com> wrote:


> Please read the gawk manual section on functions.
> 
> https://www.gnu.org/software/gawk/manual/gawk.html#User_002ddefined
> https://www.gnu.org/software/gawk/manual/gawk.html#Return-Statement

After reading the links, I am under the impression that function arguments
can only be used as input.  For output one can use "result var".  I am 
struggling about what to do when I want to output a number of variables
set inside the function. 
 
> In short:
> 
> function product(a, b) {
> return a * b
> }
> 
> HTH.
> 
> El 5/4/23 a las 22:41, uzibalqa via Help-gawk escribió:
> 
> > I am having difficulties understanding how to use gawk function arguments.
> > Customarily, arguments define variables that are local to the function.
> > 
> > But can arguments be used as input that the function can use
> > 
> > As example
> > 
> > function densel(class, loc) {
> > if (class == 1) { print "Class is 1" }
> > if (class == 2) { print "Class is 2" }
> > loc = 8
> > }
> > 
> > BEGIN {
> > class=2
> > densel(class)
> > }
> > 
> > Then there is option of using "return class" which can actually return a 
> > value by calling
> > 
> > x=densel(class)
> 
> 
> --
> Manuel Collado - http://mcollado.z15.es