Bwrite » History » Version 3
Per Amundsen, 05/09/2017 09:31 PM
1 | 1 | Per Amundsen | _Added in 1.9.0_ |
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3 | 3 | Per Amundsen | */bwrite [-ta] <filename> <S> [N] <text|%var|&binvar>* |
4 | 1 | Per Amundsen | |
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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9 | -t - Treat <text|%var|&binvar> as plain text. |
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10 | 3 | Per Amundsen | -a - TODO |
11 | 1 | Per Amundsen | |
12 | *Parameters* |
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13 | |||
14 | <filename> - File to modify. |
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15 | <S> - Byte position in the file to start writing to. |
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16 | [N] - Byte count from <text|%var|&binvar> to write. |
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17 | 2 | Per Amundsen | <text|%var|&binvar> - Text/%variable/&binvar to write to file. |
18 | 1 | Per Amundsen | |
19 | *Example* |
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21 | <pre> |
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22 | alias example { |
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23 | ;Write some text to a file at beginning of the file |
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24 | /bwrite file.txt 0 hello there! |
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25 | |||
26 | ;Read the binary data into binary variable &tempfile |
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27 | /bread $qt(file.txt) 0 $file(file.txt).size &tempfile |
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28 | |||
29 | ;Print the binary variable data as text, outputs 'Hello there!' |
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30 | echo -ag $bvar(&tempfile, 1-).text |
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32 | ;Replace "there!" with "world!" |
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33 | /bwrite file.txt 6 world! |
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35 | ;Read the binary data into binary variable &tempfile |
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36 | /bread $qt(file.txt) 0 $file(file.txt).size &tempfile |
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38 | ;Print the binary variable data as text, outputs 'Hello world!' |
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39 | echo -ag $bvar(&tempfile, 1-).text |
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40 | } |
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41 | </pre> |