OpenEuphoria

Re: Does 'seek' have to used with 'if'.....

• Posted by "Juergen Luethje" <j.lue at gmx.de> Oct 15, 2004
• 631 views

John F Dutcher wrote:

> Here's a brief code sample that fails on the first occurence of the 'seek'
> attempt with this message:
>
> Syntax error:
> ... "expected possibly to see 'end', not a function"
>       'seek(fn, tobyte)'
>
> }}}
<eucode>

<snip>

>    if fn < 1 then
>   	puts(1, "Unable to open the disk file\n")
>         abort(fn)
>    else
>      tobyte = 0
>      seek (fn, tobyte)

<snip>

> </eucode>
{{{


seek() is a function, so it must not be called like a procedure.
You can use the return value of a function like in
   print(1, seek(fn,tobyte))
   x = seek(fn,tobyte)

Of course, you also can write e.g.
   if seek(fn,tobyte) != 0 then
      puts(1, "Error!")
   end if

Regards,
   Juergen

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