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BinaryFile.Seek
Moves file pointer to new position.
Component | Version | macOS | Windows | Linux | Server | iOS SDK |
BinaryFile | 7.3 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
MBS( "BinaryFile.Seek"; BinaryFileRef; Position ) More
Parameters
Parameter | Description | Example |
---|---|---|
BinaryFileRef | The reference number for the open file. | $FH |
Position | The new position in the file. | 123 |
Result
Returns OK or error.
Description
Moves file pointer to new position.Examples
Play with Seek:
Set Variable [ $fh ; Value: MBS( "BinaryFile.Open"; "/Users/cs/Desktop/test.txt" ) ]
# Query length
Set Variable [ $len ; Value: MBS( "BinaryFile.Length"; $fh) ]
# move current position
Set Variable [ $r ; Value: MBS( "BinaryFile.Seek"; $fh; 6) ]
# query current position
Set Variable [ $pos ; Value: MBS( "BinaryFile.Position"; $fh) ]
# read 5 bytes
Set Variable [ $text ; Value: MBS( "BinaryFile.ReadText"; $fh; 5; "UTF8") ]
Set Variable [ $r ; Value: MBS( "BinaryFile.Close"; $fh) ]
See also
- BinaryFile.Close
- BinaryFile.EOF
- BinaryFile.Length
- BinaryFile.List
- BinaryFile.Open
- BinaryFile.Position
- BinaryFile.ReadText
Blog Entries
This function checks for a license.
Created 12nd June 2017, last changed 12nd June 2017