seek
Type
command
Summary
Locates a position in a file, to be used by the read from file and write to file commands.
Syntax
seek {to | rel[ative]} <byteNumber> in file <filePath>
Description
Use the seek command to prepare to read from or write to an open file at a specific position in the file.
The next read from file or write to file command will start reading or writing at the position specified by the seek command.
Theform sets the file position to byteNumber bytes from the start of the file. Theform sets the file position to byteNumber bytes from the current position. The position is set by either a previous seek command, or a read from file or write to file command.
Parameters
| Name | Type | Description |
|---|---|---|
byteNumber | integer | An integer representing the position in the file. |
filePath | The filePath specifies the name and location of the file you want to seek in. It must be the same as the path you used with the open file command. The filePath is case-sensitive, even on platforms where file names are not case-sensitive. |
Examples
seek to 100 in file "test.txt"
seek relative -10 in file "test.txt"
put specialFolderPath("desktop") & "/test.txt" into tFile
open file tFile for write
write "123456789--" to file tFile
seek to 9 in file tFile
write "10" to file tFile
close file tFile
Related
command: close file, read from file, write to file
Compatibility and Support
Introduced
LiveCode 1.0
OS
mac
windows
linux
ios
android
Platforms
desktop
server
mobile