I'm using a BufferedWriter and i want to write the content of a ArrayList, how can I do it?
#How to write ArrayList to BufferedWriter?
gray solstice
_ = try buffered_writer.write(list.items);
// before end of scope
try buffered_writer.flush();
gray solstice
looks like you have a list of lists. for that you'll need to loop over tracks.items and do this for each one.
austere badger
```ts
_ = try buffered_writer.write(list.items);
// before end of scope...
writeAll is not better?
cause write return a usize
gray solstice
i agree that writeAll() would be better.
i mean it might be better for things like writing to a network stream where partial writes might happen.
austere badger
i'm writing to a file
gray solstice
not sure if you need it for a buffered writer
i would say its better practice to use writeAll(). but i've rarely had issues with write()
austere badger
looks like you have a list of lists. for that you'll need to loop over tracks.it...
hmmm
i get a seg fault
by doing this
for (tracks.items) |track| {
try flpwriter.writeAll(track.items);
}
is there a trace?
gray solstice
not sure what might be causing it? any ideas? if not you'd have to show more code for me to help.
gray solstice
ok. how are you initializing each track?
gray solstice
ah there it is. you should not call array.deinit()
austere badger
thank you!
gray solstice
let us know if you run into anything else
austere badger
let us know if you run into anything else
uhhh sorry to bother you but do you know how to append and not overwrite the existing bytes
if i seek like this
gray solstice
do you want to write to the end of a file? if so, there is a method seekFromEnd(0) i think