Btrunc » History » Version 4
Per Amundsen, 02/16/2014 06:54 AM
| 1 | 1 | Per Amundsen | _Added in 1.9.0_ |
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| 2 | |||
| 3 | */btrunc <filename> <bytes>* |
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| 4 | |||
| 5 | Truncates/extends a file to the specified length. |
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| 6 | |||
| 7 | *Parameters* |
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| 8 | |||
| 9 | <filename> - The file to truncate. |
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| 10 | 3 | Per Amundsen | <bytes> - Number of bytes to truncate/extend to. |
| 11 | 1 | Per Amundsen | |
| 12 | *Example* |
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| 13 | |||
| 14 | 2 | Per Amundsen | <pre> |
| 15 | 1 | Per Amundsen | alias example { |
| 16 | 4 | Per Amundsen | ;Create variable %temp and add some data. |
| 17 | /var %temp = Hello! World |
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| 18 | |||
| 19 | ;Write to variable %temp's content. |
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| 20 | /bwrite Example 0 $len(%temp) %temp |
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| 21 | |||
| 22 | ;Truncate the file down to 6 bytes. |
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| 23 | /btrunc Example 6 |
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| 24 | |||
| 25 | ;Read the file into a variable. |
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| 26 | /bread Example 0 $file(Example).size &Example |
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| 27 | |||
| 28 | ;Print out the variable's content. |
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| 29 | /echo -a $bvar(&Example,1,$bvar(&Example,0)).text |
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| 30 | |||
| 31 | ;Delete the file. |
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| 32 | 1 | Per Amundsen | remove Example |
| 33 | } |
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| 34 | 2 | Per Amundsen | </pre> |