Working with Files

Working with Files

You may directly work with files; i.e. to save or retrieve your own data in the desired format.

A file may be in Text (human readable) or Binary formats.

The following example shows how to write in a file:

File f
FileOpen "C:/MPE/test_file.txt" For Writing Text In f
FileWriteString('Hello World.',f);
FileClose(f);

and, the following example shows how read from a file:

File f
FileOpen "C:/MPE/test_file.txt" For Reading Text In f
String str
str = FileReadString(100,f);//Read at most 100 characters or a full line
FileClose(f);

Println str
MsgBoxInfo str

To work with binary files, use the following functions for reading:

FileRead1b	Reads 1 byte (signed) from a file
FileRead1bu	Reads 1 byte (Unsigned) from a file
FileRead2b	Reads 2 byte (signed) from a file
FileRead2bu	Reads 2 byte (Unsigned) from a file
FileRead4bf	Reads 4 byte (signed float) from a file
FileRead4bi	Reads 4 byte (signed integer) from a file
FileRead4bu	Reads 4 byte (Unsigned integer) from a file
FileRead8b	Reads 8 byte (signed double) from a file

and the followings for writing

FileWrite1b	Wirtes 1 byte (signed) into a file
FileWrite1bu	Wirtes 1 byte (Unsigned) into a file
FileWrite2b	Wirtes 2 byte (signed) into a file
FileWrite2bu	Wirtes 2 byte (Unsigned) into a file
FileWrite4bf	Wirtes 4 byte (signed float) into a file
FileWrite4bi	Wirtes 4 byte (signed integer) into a file
FileWrite4bu	Wirtes 4 byte (Unsigned integer) into a file
FileWrite8b	Wirtes 8 byte (signed double) into a file

Look at the following examples:

Writing Binary in Files:

File f
FileOpen "C:/MPE/test_file.bin" //For Writing Binary In f
Float m
m=-105.23
Integer i
i=300
FileWrite4bf(f,m);
FileWrite4bi(f,i);
FileClose(f);

Reading Binary From Files:

File f
FileOpen "C:/MPE/test_file.bin" //For Reading Binary In f
Float m
Integer i
m=FileRead4bf(f);
i=FileRead4bi(f);
FileClose(f);