Re: Easy way to read the contants of a folder/directory and output
contents to file?
On 12/12/11 15:12, Thee Chicago Wolf [MVP] wrote:
On 12/12/11 14:42, Thee Chicago Wolf [MVP] wrote:
outFile.write(String.valueOf(list[i]+"\n"));
Do you something against the PrintWriter.println(String) method?
Well, in some code I'd written previous, I used .write instead of
.println. When I actually tried .println, the output I got was as
such:
file1.txt
<space>
file2.txt
<space>
file3.txt
<space>
<space>
Not so pretty right?
when using .write, I get:
file1.txt
file2.txt
file3.txt
<space>
Which is exactly what I want. I asked this of another person as well.
I naturally though println would give me nice clean output as in my
second example. But it didn't. When I used .write, it did. So, I'm
sticking with .write. Do you have any idea why println would give me
such spaced output?
If you append a "\n" to the filename that is what you'll get. println()
prints a line of output with a line terminator. Hence there is no need
to append a "\n". That saves both processing time (concatenating Strings
is relatively slow) and unnecessary coding.
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