Core Function FileSeek
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FileSeek( <file>, <offset>, <flag> )
Contents |
Description
Changes the current File Stream location on a previously opened text file.
Parameters
file
A variable containing the File handle.
offset
Any valid numeric expression above zero.
flag
Optional; The position to START from (Then you can add your offset) is set here with these flags:
- "b" = Base location is Beginning of the file (Default)
- "e" = Base location is End of the file
- "c" = Base location is the current location
Return Value
Success: Returns 1
Failure: Returns 0 if error occurs.
Remarks
N/A
Example
$File = FileOpen("MyFile.txt", "w"); If(isVarObj($File, "file")) // You could just use isObj($File) however adding the "file" will make sure it is indeed a file { FileAppend( $File, "This is line 1\n" ); FileAppend( $File, "This is line 2\n" ); FileAppend( $File, "This is line 3\n" ); FileSeek( $File, 0 ); FileWrite( $File, "Replace Line 1" ); FileClose( $File ); }