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Hdec » History » Version 3

Per Amundsen, 02/11/2014 03:52 PM

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_Added in 1.9.0_
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*/hdec [-bcmsuNz] <name> <item> [num | &binvar]*
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Decreases the value of the item by 'num'.
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*Switches*
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-b - Indicates &binvar is set.
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-c - Chop the &binvar to first null byte.
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-m - Creates the table if it does not exist.
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-s - Displays the result.
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-uN - Unset the the item after N seconds.
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-z - Decreases the item once per second until it reaches zero and then unsets it.
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*Parameters*
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<name> - The hashtable where the item resides.
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<item> - The hashtable item to decrease.
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[num | &binvar] - The number or &binvar to decrease by.
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*Example*
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<pre>
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alias countdown {
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  ;Adds the item down with a value of 10 to the table count.
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  hadd -m count down 10
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  echo -a $hget(count,down) $+ !
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  :repeat
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  ;Checks if the value of down returns true.
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  if ($hget(count,down) > 1) {
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    ;decreases down by 1
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    hdec count down
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    ;echos the current count
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    echo -a $hget(count,down) $+ !
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    ;repeats
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    goto repeat
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  }
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  ;If the previous if statement returns false it carries on with this.
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  else echo -a 0, Hurray!
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  hfree -s count
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}
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</pre>