To add the file name, you need to request it first and then add it to
the write with adjustment for the name length:
fn=f.getName()
fnl=fn.length()
dest.write(fn':'out,0,out.length()+fnl+1)
-- Kermit
On 10/14/2013 8:29 AM, gpatrick wrote:
> I am tailing a file and any changes are written to a new file, for example:
>
> new line1
> new line2
> new line3
>
> But, what I need is to:
>
> tfile:new line1
> tfile:new line2
> tfile:new line3
>
> Where tfile is the file that is being tailed and the output is written to a
> new file.
>
> This is what I have that works, except for inserting the 'tfile:' at the
> beginning.
>
> import java.io.
>
> class Tail
> method Tail(f=File) public
> pos = int 0
> filex = RandomAccessFile(f,"r")
> pos = filex.length() - Math.min(400,filex.length())
> filex.seek(pos)
> rm="/bin/rm"
> outPath='/tmp/k.out'
> Runtime.getRuntime().exec(rm outPath)
> outFile=FileWriter(outPath)
> dest=BufferedWriter(outFile)
> loop forever
> l = filex.length()-pos
> buf=byte[256]
> read = filex.read(buf,0,256)
> out = String(buf,0,256)
> --say out
> dest.write(out,0,out.length())
> dest.newline()
> dest.flush()
> pos=pos+1
> end
>
> method main(args=String[]) public static
> Tail(File(args[0]))
>
> If I try "dest.write(f':'out,0,out.length())" it still just gives me "out"
> but not the filename.
>
> Thanks.
>
>
>
> --
> View this message in context:
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>
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