_Added in 1.9.0_

*/bwrite [-tac] <filename> <S> [N] <text|%var|&binvar>*

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.

*Switches*

table(ktable).
|*Switch*|*Description*|
| -t | <notextile>Treat <text|%var|&binvar> as plain text.</notextile> |
| -a | Disables UTF-8 encoding of characters in the range 0-255, as long as the text contains no characters > 255. |
| -c | Chops the file at the end of the copied bytes. |

*Parameters*

table(ktable).
|*Parameter*|*Description*|
| &lt;filename&gt; | File to modify. |
| &lt;S&gt; | Byte position in the file to start writing to. (zero based) |
| [N] | <notextile>Byte count from <text|%var|&binvar> to write.</notextile> |
| <notextile><text|%var|&binvar></notextile> | Text/%variable/&binvar to write to file. |

*Example*

<pre>
alias example {
  ;Write some text to a file at beginning of the file
  /bwrite file.txt 0 hello there!

  ;Read the binary data into binary variable &tempfile
  /bread $qt(file.txt) 0 $file(file.txt).size &tempfile

  ;Print the binary variable data as text, outputs 'Hello there!'
  echo -ag $bvar(&tempfile, 1-).text
  
  ;Replace "there!" with "world!"
  /bwrite file.txt 6 world!

  ;Read the binary data into binary variable &tempfile
  /bread $qt(file.txt) 0 $file(file.txt).size &tempfile

  ;Print the binary variable data as text, outputs 'Hello world!'
  echo -ag $bvar(&tempfile, 1-).text
}
</pre>