Hdec » History » Version 2
Per Amundsen, 02/11/2014 03:47 PM
1 | 1 | Per Amundsen | _Added in 1.9.0_ |
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2 | |||
3 | */hdec -bcmsuNz <name> <item> [num | &binvar]* |
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4 | |||
5 | Decreases the value of the item by 'num'. |
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6 | |||
7 | *Switches* |
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8 | |||
9 | -b - Indicates &binvar is set. |
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10 | -c - Chop the &binvar to first null byte. |
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11 | -m - Creates the table if it does not exist. |
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12 | -s - Displays the result. |
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13 | -uN - Unset the the item after N seconds. |
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14 | -z - Decreases the item once per second until it reaches zero and then unsets it. |
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15 | |||
16 | *Parameters* |
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17 | |||
18 | <name> - The hashtable where the item resides. |
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19 | <item> - The hashtable item to decrease. |
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20 | [num | &binvar] - The number or &binvar to decrease by. |
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21 | |||
22 | *Example* |
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23 | |||
24 | 2 | Per Amundsen | <pre> |
25 | 1 | Per Amundsen | alias countdown { |
26 | ;Adds the item down with a value of 10 to the table count. |
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27 | hadd -m count down 10 |
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28 | |||
29 | echo -a $hget(count,down) $+ ! |
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30 | :repeat |
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31 | |||
32 | ;Checks if the value of down returns true. |
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33 | if ($hget(count,down) > 1) { |
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34 | ;decreases down by 1 |
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35 | hdec count down |
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36 | ;echos the current count |
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37 | echo -a $hget(count,down) $+ ! |
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38 | ;repeats |
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39 | goto repeat |
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40 | } |
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41 | ;If the previous if statement returns false it carries on with this. |
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42 | else echo -a 0, Hurray! |
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43 | hfree -s count |
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44 | } |
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45 | 2 | Per Amundsen | </pre> |