Maximum size of the string scanner

Hello

I use a scanner to read the contents of a text file to a string, but the file is not read in compeletely, and the length of the resulting string is 1024. The flie has 4160 characters inside.
Scanner rScanner = new Scanner(rStream);
rScanner.useDelimiter("\\z");
String rCommands = rScanner.next();
I use Java 1.7.0_01. This limit is documented anywhere? I would like to avoid a loop and the concatenation in my code.

Thank you
Dario.

--------------------------------------
Dario Strbenac
Research Assistant
Epigenetic cancer
Garvan Institute of Medical Research
Darlinghurst NSW 2010
Australia

user3454292 wrote:
It's a nice way to do it for files in the file system. However, rStream is acutally reading a text file from inside the JAR file.

So it is a 'resource' and not a 'file', and one cannot get the length of a resource without reading.

>

InputStream rStream = getClass().getResourceAsStream("/R/accessory.R");

Given that no object file involved here, I have to do it in a loop anyway, right?

Yes--but it's almost trivial. Just read N bytes at a time loop of the resource and write in a ByteArrayOutputStream can convert the bytes to a string. Otherwise, read the resource N characters at a time in a loop and write to a StringWriter.

Actually, come to think of it, I can just hard code the size of the byte array, as the text file contains the code to another programming language that probably won't change in the future.

This approach looks like a train wreck waiting to happen. Not him.

What do you have against a simple loop?

Tags: Oracle

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