Var » History » Version 8
Per Amundsen, 06/27/2014 02:26 PM
| 1 | 1 | Per Amundsen | _Added in 1.8.8_ |
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| 2 | |||
| 3 | */var [-sg] <%var> [[= ]value]* |
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| 4 | |||
| 5 | Sets the value of local variable %var to the specified value. |
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| 6 | |||
| 7 | 6 | Per Amundsen | Syntax can be either _var %var = value_ or _var %var value_. |
| 8 | 5 | Per Amundsen | |
| 9 | 8 | Per Amundsen | Multiple variables can be set in one line using comma as seperator, _var %var1 = value, %var2 = value2_. |
| 10 | 5 | Per Amundsen | |
| 11 | 1 | Per Amundsen | *Switches* |
| 12 | |||
| 13 | -s - Display variable assignment value. |
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| 14 | -g - Creates a global variable instead. |
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| 15 | 4 | Per Amundsen | -n - Treat the value as plain text, even if arithmetic operators are used. |
| 16 | 1 | Per Amundsen | |
| 17 | *Parameters* |
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| 18 | |||
| 19 | <%var> - The variable to set. |
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| 20 | [[= ]value] - Value to set the variable to. (can be a single arithmetic expression, see [[Arithmetic Operators]]) |
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| 21 | |||
| 22 | *Example* |
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| 23 | |||
| 24 | 2 | Per Amundsen | <pre> |
| 25 | 3 | Per Amundsen | alias factorial { |
| 26 | 1 | Per Amundsen | var %result = 1, %x = $1 |
| 27 | while (%x) { |
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| 28 | var %result = %result * $v1 |
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| 29 | dec %x |
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| 30 | } |
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| 31 | return %result |
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| 32 | } |
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| 33 | 3 | Per Amundsen | |
| 34 | ;Returns 3628800 |
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| 35 | //echo -ag $factorial(10) |
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| 36 | 2 | Per Amundsen | </pre> |