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Modern Fs File SetSize

Paul Squires edited this page Oct 22, 2026 · 3 revisions

Home › Filesystem › File Streams › File.SetSize

File.SetSize

Truncates the file to a size, or extends it with zero bytes.

Syntax

File.SetSize( n )

Notes

  • Truncates to n bytes, or extends with zeros. The position does not move.

Examples

#import "std/fs"
using fs

dim as ustring dir_ = CreateTempDir( "tkdoc" ).Value( )
dim as ustring p = PathJoin( dir_, "f.txt" )
dim as File f
f.Create( p )
f.WriteUtf8( "abcdef" )
f.SetSize( 2 )
f.Close( )
print ReadAllText( p ).Value( )    '' ab

RemoveDirAll( dir_ )

Library: Filesystem Library Category: File Streams Documented under: Files

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