This function returns a string containing the character with raw BYTE value set. This will not, and should not, be displayed, but it will save correctly to disk for use in encoding.
ansi_char(val);
Argument Description val The raw byte value.
String (Single character)
var str1 = ansi_char($EF);
var str2 = ansi_char($BB);
var str3 = ansi_char($BF);
file_text_write_string(global.saveFile, str1 + str2 +
str3);
The above code creates a string from raw byte data and writes it to a file.