Bwrite » History » Version 1
Per Amundsen, 02/09/2014 12:35 PM
| 1 | 1 | Per Amundsen | _Added in 1.9.0_ |
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| 2 | |||
| 3 | */bwrite [-t] <filename> <S> [N] <text|%var|&binvar>* |
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| 4 | |||
| 5 | Writes [N] bytes from <text|%var|&binvar> to the file starting at byte position <S> or 0, any existing information at this position is overwritten. |
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| 6 | |||
| 7 | *Switches* |
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| 8 | |||
| 9 | -t - Treat <text|%var|&binvar> as plain text. |
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| 10 | |||
| 11 | *Parameters* |
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| 12 | |||
| 13 | <filename> - File to modify. |
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| 14 | <S> - Byte position in the file to start writing to. |
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| 15 | [N] - Byte count from <text|%var|&binvar> to write. |
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| 16 | <text|%var|&binvar>* - Text/variable/binvar to write to file. |
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| 17 | |||
| 18 | *Example* |
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| 19 | |||
| 20 | <pre> |
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| 21 | alias example { |
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| 22 | ;Write some text to a file at beginning of the file |
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| 23 | /bwrite file.txt 0 hello there! |
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| 24 | |||
| 25 | ;Read the binary data into binary variable &tempfile |
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| 26 | /bread $qt(file.txt) 0 $file(file.txt).size &tempfile |
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| 27 | |||
| 28 | ;Print the binary variable data as text, outputs 'Hello there!' |
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| 29 | echo -ag $bvar(&tempfile, 1-).text |
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| 30 | |||
| 31 | ;Replace "there!" with "world!" |
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| 32 | /bwrite file.txt 6 world! |
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| 33 | |||
| 34 | ;Read the binary data into binary variable &tempfile |
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| 35 | /bread $qt(file.txt) 0 $file(file.txt).size &tempfile |
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| 36 | |||
| 37 | ;Print the binary variable data as text, outputs 'Hello world!' |
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| 38 | echo -ag $bvar(&tempfile, 1-).text |
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| 39 | } |
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| 40 | </pre> |