Btrunc » History » Version 6
Per Amundsen, 02/15/2023 11:09 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 | 6 | Per Amundsen | table(ktable). |
| 10 | |*Parameter*|*Description*| |
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| 11 | | <filename> | The file to truncate. | |
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| 12 | | <bytes> | Number of bytes to truncate/extend to. | |
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| 13 | 1 | Per Amundsen | |
| 14 | *Example* |
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| 15 | |||
| 16 | 2 | Per Amundsen | <pre> |
| 17 | 1 | Per Amundsen | alias example { |
| 18 | 4 | Per Amundsen | ;Create variable %temp and add some data. |
| 19 | /var %temp = Hello! World |
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| 20 | |||
| 21 | ;Write to variable %temp's content. |
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| 22 | /bwrite Example 0 $len(%temp) %temp |
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| 23 | |||
| 24 | ;Truncate the file down to 6 bytes. |
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| 25 | /btrunc Example 6 |
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| 26 | |||
| 27 | ;Read the file into a variable. |
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| 28 | /bread Example 0 $file(Example).size &Example |
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| 29 | |||
| 30 | ;Print out the variable's content. |
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| 31 | /echo -a $bvar(&Example,1,$bvar(&Example,0)).text |
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| 32 | |||
| 33 | ;Delete the file. |
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| 34 | 5 | Per Amundsen | /remove Example |
| 35 | 1 | Per Amundsen | } |
| 36 | 2 | Per Amundsen | </pre> |