File_Exists() | TFT & EPD Graphic Library 2

Syntax

File_Exists(pFileName), Bit

Overview

pFileName: The name of the file to check (maximum length 12 characters, including the dot and extension).

Return status

Value	Meaning
0	File not found.
1	File found.

Check if File Exists

This procedure checks whether a file with the given name exists. The file name can be up to 12 characters in length, including the dot and file extension.

Notes

Before checking for other files or folders, ensure that any previously opened files are closed using File_Close().

Example

File_Exists("Cat.bmp")

TftSetUp(0, 0) 'Set screen

TftResetScreen(BLACK) 'Reset screen

TftSetSndFont(0,0) 'Set Font0

While File_Init() <> cErrOK : Wend 'Initialize SD Card

TftPrintSndString("Sd Initialization OK",1,0,0,1,GREEN,BLACK,0) 'Confirm Initialize SD Card

If File_Exists("bird.jpg") = 1 Then

TftPrintSndString("Exist bird.jpg OK",1,0,4,1,GREEN,BLACK,0) 'bird.jpg exists (expected)

Else

TftPrintSndString("Exist bird.jpg NO",1,0,4,1,GREEN,BLACK,0) 'bird.jpg not exists

EndIf

If File_Exists("test.log") = 1 Then

TftPrintSndString("Exist test.Log OK",1,0,5,1,GREEN,BLACK,0) 'test.Log exists

Else

TftPrintSndString("Exist test.Log NO",1,0,5,1,GREEN,BLACK,0) 'test.Log not exists (expected)

EndIf

If File_DirExists("home") = 1 Then

TftPrintSndString("Exist home OK",1,0,2,1,GREEN,BLACK,0) 'home folder exists (expected)

Else

TftPrintSndString("Exist home NO",1,0,2,1,GREEN,BLACK,0) 'home folder not exists

EndIf

If File_DirExists("tree") = 1 Then

TftPrintSndString("Exist tree OK",1,0,3,1,GREEN,BLACK,0) 'tree folder exists

Else

TftPrintSndString("Exist tree NO",1,0,3,1,GREEN,BLACK,0) 'tree folder not exists (expected)

EndIf

File_Exists()

Created with the Personal Edition of HelpNDoc: Generate EPub eBooks with ease