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Full Discussion: Circular reference
Top Forums Shell Programming and Scripting Circular reference Post 302087480 by fidodido on Friday 1st of September 2006 09:45:54 AM
Old 09-01-2006
Circular reference

I might know the answer to this, but I just want to see if any of you know any work arounds before I go and re-write the whole thing.

I have a script as follow:
Code:
$ cat testing
#! /usr/bin/ksh

f ()
{
        echo "Type \"y\" \c"
        read value

        if [ "$value" = "y" ];
        then
                echo "Circular reference."
                f
        fi

        echo "Running.."
}
f

As you can see, it has a circular reference to the function on which its call if I input a value of "y" when it ask me. And I execute it..
Code:
$ ./testing
Type "y" y
Circular reference.
Type "y" y
Circular reference.
Type "y" n
Running..
Running..
Running..
$

Which I expect to be "normal". Now, my question is, is there anyway, I can avoid this without re-writing the whole thing? I mean, can I, somehow especify to it it should "halt" its old executions when I tell it to jump again to the function.

Any help would be appreciated. If anyone has done any similar, I am open for suggestions.

Thanks!
 

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zipios::SimpleSmartPointer(3)				     Library Functions Manual				     zipios::SimpleSmartPointer(3)

NAME
zipios::SimpleSmartPointer - SimpleSmartPointer is a simple reference counting smart pointer template. SYNOPSIS
#include <simplesmartptr.h> Public Member Functions Type * operator-> () const Type & operator* () const SimpleSmartPointer (Type *p=0) template<class T2 > SimpleSmartPointer (const SimpleSmartPointer< T2 > &src) SimpleSmartPointer (const SimpleSmartPointer &src) template<class T2 > SimpleSmartPointer & operator= (const SimpleSmartPointer< T2 > &src) SimpleSmartPointer & operator= (const SimpleSmartPointer &src) SimpleSmartPointer & operator= (Type *src) bool operator== (const Type *p) const bool operator!= (const Type *p) const bool operator== (const SimpleSmartPointer &sp) const bool operator!= (const SimpleSmartPointer &sp) const bool operator! () const operator void * () const Type * get () const unsigned int getReferenceCount () const Returns the reference count - For debugging purposes. Detailed Description template<class Type>class zipios::SimpleSmartPointer< Type > SimpleSmartPointer is a simple reference counting smart pointer template. The type pointed to must keep a reference count that is accessible through the two methods void ref() const and unsigned int unref() const. The type must also handle the reference count properly. The easiest way to do that is to use the ReferenceCount template class. Definition at line 15 of file simplesmartptr.h. Member Function Documentation template<class Type> unsigned int zipios::SimpleSmartPointer< Type >::getReferenceCount () const [inline] Returns the reference count - For debugging purposes. Definition at line 67 of file simplesmartptr.h. Author Generated automatically by Doxygen for Zipios++ from the source code. Zipios++ Mon Oct 10 2011 zipios::SimpleSmartPointer(3)
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