Actions
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
| Switch | Description |
| -t | Treat <text|%var|&binvar> as plain text. |
| -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
| Parameter | Description |
| <filename> | File to modify. |
| <S> | Byte position in the file to start writing to. (zero based) |
| [N] | Byte count from <text|%var|&binvar> to write. |
| <text|%var|&binvar> | Text/%variable/&binvar to write to file. |
Example
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
}
Updated by Per Amundsen over 1 year ago · 7 revisions