Method Stdio.File()->open()
- Method
open
int
open(string
filename
,string
mode
)
int
open(string
filename
,string
mode
,int
mask
)- Description
Open a file for read, write or append. The parameter
mode
should contain one or more of the following letters:"r"
Open file for reading.
"w"
Open file for writing.
"a"
Open file for append (use with
"w"
)."t"
Truncate file at open (use with
"w"
)."c"
Create file if it doesn't exist (use with
"w"
)."x"
Fail if file already exists (use with
"c"
).mode
should always contain at least one of the letters"r"
or"w"
.The parameter
mask
is protection bits to use if the file is created. Default is0666
(read+write for all in octal notation).- Returns
This function returns
1
for success,0
otherwise.- See also