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Hdec » History » Revision 2

Revision 1 (Per Amundsen, 02/11/2014 03:47 PM) → Revision 2/6 (Per Amundsen, 02/11/2014 03:47 PM)

_Added in 1.9.0_ 

 */hdec -bcmsuNz <name> <item> [num | &binvar]* 

 Decreases the value of the item by 'num'. 

 *Switches* 

 -b - Indicates &binvar is set. 
 -c - Chop the &binvar to first null byte. 
 -m - Creates the table if it does not exist. 
 -s - Displays the result. 
 -uN - Unset the the item after N seconds. 
 -z - Decreases the item once per second until it reaches zero and then unsets it. 

 *Parameters* 

 <name> - The hashtable where the item resides. 
 <item> - The hashtable item to decrease. 
 [num | &binvar] - The number or &binvar to decrease by. 

 *Example* 

 <pre> 
 alias countdown { 
   ;Adds the item down with a value of 10 to the table count. 
   hadd -m count down 10 

   echo -a $hget(count,down) $+ ! 
   :repeat 

   ;Checks if the value of down returns true. 
   if ($hget(count,down) > 1) { 
     ;decreases down by 1 
     hdec count down 
     ;echos the current count 
     echo -a $hget(count,down) $+ ! 
     ;repeats 
     goto repeat 
   } 
   ;If the previous if statement returns false it carries on with this. 
   else echo -a 0, Hurray! 
   hfree -s count 
 } 
 </pre>