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> |